At CFO (Boardroom Media) we track over 1,000,000 startups and over 5,000,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and board members we think deserve more appreciation than they are currently getting.
This list showcases the top United States based CFO’ operating in the Oil and Gas space. If you think a CFO’ is missing from this list, feel free to contact our editor on [email protected].
The individuals on this list have been included because of exceptional performance in one of the following categories:
- Innovation – Operating as a key part in an extremely innovative business or startup.
- Growth – Operating as a key figure in the growth and upscale of a market leading business or startup.
- Management – Showing exceptional management skills.
- Societal impact – Putting their business on the map for their positive societal or environmental impact.
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.

Steven Sterin
Executive Vice President, Chief Financial Officer of Andeavor
Steven Sterin is Executive Vice President, Chief Financial Officer for Tesoro Corporation. Mr. Sterin joined Tesoro in 2014, bringing more than 15 years of financial leadership in the chemicals industry to his role. As CFO, Mr. Sterin guides the Company’s financial strategies and leads more than 650 employees in the following areas: controller, corporate analytics, credit, internal audit, investor relations, taxes, treasury and information technology. Prior to Tesoro, Mr. Sterin was senior vice president and chief financial officer for Celanese Corporation, a global technology and specialty material company, for seven years. During this time, he was also president of Celanese’s Advanced Fuel Technologies business. Mr. Sterin joined Celanese in 2003 as director of finance and controller for the company’s chemical business and also served as corporate controller and principal accounting officer before being appointed CFO. In 2012, the Dallas Business Journal recognized him as CFO of the Year for large public companies in the Dallas-Fort Worth area. Prior to Celanese, Mr. Sterin spent six years with global chemicals company Reichhold, Inc. in a variety of financial positions, including director of tax and treasury in the Netherlands, global treasurer and vice president of finance for one of the company’s divisions in North Carolina. Mr. Sterin holds a Master of Professional Accounting degree and a Bachelor of Business Administration degree in Accounting, which he earned concurrently at the University of Texas at Austin. He is also a certified public accountant in Texas.
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About Andeavor: Andeavor, a Fortune 100 company, is an independent refiner and marketer of petroleum products.
Josh Troy
Co-Founder & CFO of Urbint
Josh Troy is the Head of Ops & Finance at Urbint.
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About Urbint: Urbint predicts threats to workers and critical infrastructure to stop incidents before they happen.
Jeffrey A. Agosta
CFO of Devon Energy Corporation
Mr. Jeffrey A. Agosta, also known as Jeff, has been Chief Financial Officer at Ascent Resources – Utica, LLC since June 02, 2014. Mr. Agosta served as the Chief Financial Officer and Executive Vice President of Devon Energy Corporation from March 2010 to January 2014. Mr. Agosta served as Senior Vice President of Corporate Finance and Treasurer of Devon Energy Corporation from 2003 to 2010. He served as Vice President of Corporate Finance of Devon Energy Corporation since 2003. Mr. Agosta joined Devon Energy Corporation in 1997 as part of the Corporate Development group and later served as Manager of its Corporate Planning and Finance. He served as Manager with the management consulting firm D.R. Payne and Associates and with KPMG Peat Marwick in the audit and consulting groups. He serves as Director of Dlp Gp Llc. He serves on the University of Oklahoma’s Price College of Business Advisory Board. He is Chairman of the Price College’s MBA Advisory Board. He is a Certified Public Accountant and a Certified Insolvency and Restructuring Advisor. He holds a Bachelor of Science degree in Accounting from the University of Oklahoma.
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About Devon Energy Corporation: Devon Energy is oil and natural gas exploration and production company.
Jeff L. Ritenour
Executive Vice President and Chief Financial Officer of Devon Energy Corporation
Jeff Ritenour, 44, was elected to the position of executive vice president and chief financial officer in April 2017. He has been with Devon since 2001, serving in various leadership roles, most recently as senior vice president of Corporate Finance, Investor Relations and Treasurer. Before joining Devon, Ritenour was with Ernst & Young in Dallas. He is a certified public accountant and holds a bachelor’s degree in accounting and a master’s degree in business administration, both from the University of Oklahoma. He serves on the board of directors of EnLink Midstream Partners, LP, and EnLink Midstream, LLC.
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About Devon Energy Corporation: Devon Energy is oil and natural gas exploration and production company.

William Byers
EVP & CFO of Navitas Midstream Partners
William A. Byers is the Executive Vice President and Chief Financial Officer of Navitas Midstream Partners, LLC. Byers has 14 years of energy industry investment banking experience, and he most recently served as a Managing Director with the Natural Resources Group of Barclays Capital where he spent 8 years. During this time, he provided M&A and capital raising services to public and private upstream, oilfield service and midstream companies with an emphasis on the midstream and MLP sectors. Notable transactions include the sale of Copano Energy to Kinder Morgan Energy Partners, the sale of Caiman Eastern Midstream to Williams Partners, the Plains GP Holdings IPO, Targa Resources, Inc. IPO, and the El Paso Pipeline Partners IPO. Byers received an MBA and a Bachelor of Science from The Wharton School and a Bachelor of Arts from the College of Arts and Sciences of the University of Pennsylvania.
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About Navitas Midstream Partners: Navitas Midstream Partners is a producer-focused midstream company.

Simon Ayat
VP & CFO of Schlumberger
Simon Ayat is executive vice president and chief financial officer of Schlumberger Limited. Prior to assuming his current role, Ayat served as the company’s vice president treasurer and previously held the position of vice president controller and business processes. Ayat’s career with Schlumberger, which began in 1982, spans a variety of management positions from Paris, Houston and Dallas to the Middle East and Far East regions. His assignments have included serving as Oilfield Services group controller; vice president finance for non-oilfield activities; GeoMarket manager, Indonesia; Sedco Forex regional vice president, Asia; group controller for Wireline; and region controller for Wireline in the Far East and for Sedco Forex in North and South America. He began his career as controller for the Forex Neptune drilling division. Ayat graduated from the University of San Francisco where he received a bachelor’s degree in business administration with an emphasis on finance and accounting.
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About Schlumberger: Schlumberger is a supplier of technology, integrated project management, and information solutions.

Margaret Smyth
US Chief Financial Officer of National Grid
Margaret (Peggy) Smyth joined the Board in September 2012. Margaret Smyth serves as US Chief Financial Officer of National Grid, a position she has held since October 2014. Previously, Margaret Smyth was Vice President of Finance at Con Edison from March 2012 to October 2014 and Vice President and Chief Financial Officer of Hamilton Sundstrand, which is part of the United Technologies Corp., from October 2010 to June 2011. Prior to that, she served as Vice President and Corporate Controller of United Technologies Corp. from August 2007 to September 2010 and Vice President and Chief Accounting Officer of 3M Corporation from April 2005 to August 2007. Margaret Smyth has previously held financial leadership positions at Deloitte & Touche and Arthur Andersen. In addition, she currently serves as a member of the IFRS Interpretations Committee, IASB in London.Margaret Smyth serves on the board of directors of Mutual of America Investment Corporation, Mutual of America Institutional Funds and the BritishAmerican Business Association.
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About National Grid: National Grid facilitates electricity and gas transmission system and focuses on delivering clean energy.

David Thomason
VP, CFO and Controller of Pacific Gas and Electric Company of PG&E Corporation
David S. Thomason is Vice President and Controller of PG&E Corporation, as well as Vice President, Chief Financial Officer and Controller of Pacific Gas and Electric Company. Thomason joined PG&E in 2001 as a senior accounting analyst after starting his career with Arthur Andersen in Portland. During his 16 years at PG&E, he has held a multitude of roles, growing as a leader and gaining additional responsibilities with each new position. Functional areas he has overseen include external financial reporting, revenue forecasting, planning and analysis, corporate accounting and more. Thomason received a Master’s degree in Business Administration from University of California, Berkeley, and a Bachelor’s degree in Accounting from University of Oregon, Eugene. He holds registrations as a Certified Public Accountant in the states of California and Oregon.
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About PG&E Corporation: PG&E is an investor-owned electric utility with publicly traded stock that is headquartered in the Pacific Gas & Electric Building.

Tralisa Maraj
Chief Financial Officer of CGX Energy
Tralisa Maraj is a Certified Public Accountant licensed in Texas and Chartered Certified Accountant licensed in the UK with over 18 years experience working in the oil industry and public company accounting. Prior to joining CGX in September 2011, Tralisa was Controller for Remora International and Senior Manager, Assurance for Price Waterhouse Coopers where she led and supervised teams of 20+ oil and gas audit professionals.
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About CGX Energy: CGX is a Canadian exploration company exploring for oil and gas in the Guyana Suriname Basin.
Tom Holloway
Chief Financial Officer of Rubicon Oilfield International
Tom Holloway is the Chief Financial Officer of Rubicon. As a member of the executive management team, he guides all financial and accounting functions within the company. As a proven finance and business leader, Tom has demonstrated success at companies of various sizes and stages of their life cycle. He has provided leadership through multiple acquisition and growth initiatives while also guiding integration and capital market transactions. Tom spent a significant portion of his career in oilfield services at Forum Energy Technologies (“Forum”) and Nabors International serving in various leadership roles across the entire business. He held global responsibilities in these roles while also helping lead Forum through IPO preparations. He has led organizations in both privately and publicly held companies. Tom holds a Bachelor of Business Administration from the University of Houston and is an active CPA with memberships in local and national CPA organizations. He is married with four children and loves spending time with his family.
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About Rubicon Oilfield International: Rubicon Oilfield International designs, manufactures and sells and/or rents oilfield products in every major oilfield market.

Mark C. Allen
Senior Vice President, Chief Financial Officer, Treasurer and Assistant Secretary of Denbury Resources
Mark C. Allen, Senior Vice President, Chief Financial Officer, Treasurer and Assistant Secretary, is a Certified Public Accountant (CPA). Mr. Allen served as Vice President and Chief Accounting Officer until June 30, 2009. Before joining Denbury in April 1999, Mr. Allen was Manager of Financial Reporting for ENSCO International Incorporated from November 1996 to April 1999. Prior to November 1996, Mr. Allen was a manager in the accounting firm of Price Waterhouse LLP. Mr. Allen also served as a director of Genesis Energy, L.P. between June 2006 and February 2010 and Encore Energy Partners GP LLC between August 2010 and December 2010.
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About Denbury Resources: Denbury Resources Inc., is a domestic oil and natural gas company.

Roger Manny
EVP & CFO of Range Resources Corporation
Roger Manny is an Executive Vice President (2003) and the Chief Financial Officer at Range Resources Corporation since November 2008. Previously, Roger served as an Executive Vice President and Chief Financial Officer of Matador Petroleum Corporation from 1998 until joining Range. Before 1998, Roger spent 18 years at Bank of America and its predecessors where he served as Senior Vice President in the energy group. Roger holds a Bachelor of Business Administration degree from the University of Houston and a Masters of Business Administration from Houston Baptist University.
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About Range Resources Corporation: Range Resources Corporation (NYSE: RRC) is an independent natural gas exploration and production company.

Derrick A Jensen
Chief Financial Officer of Quanta Services
Prior to taking on his current responsibilities in May 2012, Jensen served as senior vice president – finance and administration and chief accounting officer with oversight of the company’s finance and accounting, treasury, IT and risk management functions. Jensen also had a significant role in the company’s acquisition and integration strategies and the development of integrated business and information system processes. Throughout his 15-year tenure at the company, Jensen had increasing financial and accounting responsibilities. He joined Quanta in 1997 as controller, a title he held until 2009. He added the roles of vice president and chief accounting officer in 1999. Before joining Quanta, Jensen obtained his public accountant certification (CPA) and was a manager at Arthur Andersen LLP where he served primarily commercial clients, many of which were highly acquisitive. Jensen earned a Bachelor of Science in business administration with a major in accounting from Oklahoma State University in 1992.
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About Quanta Services: Quanta Services provides engineering, procurement and construction (EPC) services for comprehensive infrastructure needs.

Kenneth M. Fisher
Executive Vice President and Chief Financial Officer of Noble Energy
Mr. Kenneth M. Fisher, Ken CPA serves as President at SOS Security Incorporated. Mr. Fisher has been the Chief Financial Officer and Senior Vice President at Noble Energy, Inc. since November 16, 2009. He served as the Chief Financial Officer and Executive Vice President of SOS Security Incorporated. Mr. Fisher has over 25 years of financial, operations and general management experience working with public and private companies in a variety of industries, that have been involved with complex energy and capital-intensive businesses. He served as Executive Vice President of Finance for Upstream Americas at Shell. He served as the Director of Strategy & Business Development for Royal Dutch Shell in The Hague; Executive Vice President of Strategy & Portfolio for their global downstream business in London; and as Chief Financial Officer for Shell Oil Products U.S. Before joined Shell, Mr. Fisher held positions of increasing responsibility with General Electric Company, including Vice President and Chief Financial Officer of the Aircraft Engines Services division and a Singapore-based position as Director of Finance & Business Development of GE’s Asia Pacific plastics business. Mr. Fisher serves as a Trustee of Centenary College of Louisiana. Mr. Fisher is a Certified Public Accountant and a Member of the American Institute at Certified Public Accountants and California’s Society of CPA’s. He is a graduate of the University of Notre Dame with a B.B.A. degree in Business Administration/Finance.
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About Noble Energy: Noble Energy is an independent oil and natural gas exploration and production company.
Matthew O’Neill
SVP & Chief Financial Officer of Hawkwood Energy
Matt O’Neill brings over 17 years of industry experience to Hawkwood. After commencing his career at Arthur Andersen, Matthew O’Neill moved to industry where he worked both domestically and internationally for some of Australia’s largest public oil and gas companies. Most recently, Matthew O’Neill worked at Oil Search holding multiple roles including Group Controller and General Manager for the Treasury, Tax and Insurance functions. Prior to this Matthew O’Neill worked at Woodside Energy where he held multiple positions including Group Planning Manager, Assistant Treasurer and Finance Manager of the North West Shelf Asset, Australia’s largest resource project. Matthew O’Neill worked for BHP Billiton Petroleum where he was based in Houston and held various finance roles of increasing seniority. Over his career, Matthew O’Neill has raised in excess of $7 billion in capital across both US and International markets. Matthew O’Neill holds a Bachelor of Commerce from the University of Melbourne and is a Australian Chartered Accountant.
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About Hawkwood Energy: Hawkwood Energy is a Denver-based independent exploration and production company.
Charles Booth III
CFO of GasBuddy
Charlie Booth serves as chief financial officer at Gas Buddy. Prior to Gas Buddy, he served as CFO at Oil Price Service (OPIS) and as a president at Booth Investments. Charlie holds a degree in finance at the University of Michigan – Stephen M. Ross School of Business.
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About GasBuddy: GasBuddy is a travel and navigation app that is used by more North American drivers to save money on gas.

Steven K. Young
Executive Vice President & Chief Financial Officer of Duke Energy Corporation
Steve Young is executive vice president and chief financial officer for Duke Energy. He leads the financial function, which includes the controller’s office, treasury, tax, risk management and insurance, as well as corporate strategy and development. These duties include accounting, cash management and overseeing risk control policies. Young joined Duke Power in 1980 as a financial assistant. After a series of promotions within the controller’s department, he was named manager of bulk power agreements in system planning and operating in 1991, and manager of the rate department in 1993. In April 1998, Young was appointed vice president of rates and regulatory affairs, with responsibility for Duke Power’s regulatory strategies and policies in rate, financial and accounting matters. He was also accountable for the company’s interaction with the utility commissions of North Carolina and South Carolina, and the Federal Energy Regulatory Commission. He was named senior vice president and chief financial officer for Duke Power in February 2003, group vice president and chief financial officer in March 2004, and vice president and controller in June 2005. In December 2006, Young was named senior vice president and controller for Duke Energy. In addition to maintaining that role at the close of the merger between Duke Energy and Progress Energy in July 2012, he also became the company’s chief accounting officer. He was named executive vice president and chief financial officer of Duke Energy in August 2013. A native of Denver, Colo., Young earned a Bachelor of Arts degree in business administration from the University of North Carolina at Chapel Hill. He also completed the Advanced Management Program at the Wharton School of Business. Young is a certified public accountant and a certified managerial accountant in North Carolina. He is a member of the American Institute of Certified Public Accountants, Institute of Managerial Accountants and National Association of Accountants. He is also a member of the Edison Electric Institute Accounting Executive Advisory Committee and the Southeastern Electric Exchange Accounting and Finance Section.
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About Duke Energy Corporation: Duke Energy makes life better for every day by providing electric and gas services in a sustainable way – affordable, reliable and clean.

Erik Young
Senior Vice President, Chief Financial Officer of PBF Energy
Erik Young joined PBF Energy in December 2010, where he was responsible for both corporate development activities and capital markets initiatives. Mr. Young has been heavily involved in the evolution of PBF Energy and has served as our Chief Financial Officer since April 2014. Mr. Young has fifteen years of comprehensive corporate finance experience, from strategic planning to mergers and acquisitions across a variety of industries and end markets. Mr. Young began his career in investment banking with First Union Securities before joining J.F. Lehman & Company, a New York-based private equity investment firm, in 2001 where he was involved in portfolio investments in the United States and Europe.
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About PBF Energy: PBF Energy (“PBF”) is one of the largest independent petroleum refiners and suppliers.

William D. Rogers
Chief Financial Officer and Executive Vice President of CenterPoint Energy
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About CenterPoint Energy: CenterPoint Energy, Inc. is a domestic energy delivery company.

R. Patrick Murray II
Executive Vice President, CFO and Secretary of Calumet Specialty
Executive Vice President, CFO and Secretary at Calumet Specialty Products Partners, L.P.
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About Calumet Specialty: Calumet Specialty manufactures, formulates and markets a diversified slate of products to customers.

John Sult
Executive Vice President and Chief Financial Officer of Marathon Oil Corporation
John R. (J. R.) Sult is executive vice president and chief financial officer of Marathon Oil Corporation. He joined Marathon Oil in September 2013 after having previously served as a member of El Paso Corporation’s executive management team from 2005 until the company was acquired by Kinder Morgan, Inc. in 2012. While with El Paso, he served as executive vice president and CFO from 2010 to 2012 and senior vice president and CFO from 2009 until 2010. Prior to that, he served as senior vice president, chief accounting officer and controller from 2005 until 2009. Mr. Sult also served as senior vice president, CFO and controller of El Paso’s Pipeline Group from 2005 to 2009 and as CFO of the general partner of El Paso Pipeline Partners L.P. from 2007 to 2012. Prior to joining El Paso, he served as vice president and controller of Halliburton Energy Services from 2004 until 2005, where he was responsible for all aspects of finance and accounting for the company’s energy services business unit. Before joining Halliburton, Mr. Sult was an audit and business advisory partner with Arthur Andersen LLP where he gained more than 20 years of experience working with public and private companies in the energy industry.
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About Marathon Oil Corporation: Marathon Oil Corporation is an international independent energy company engaged in exploration and production.

Dane Whitehead
Executive Vice President And CFO of Marathon Oil Corporation
Mr. Whitehead is an Executive Vice President and Chief Financial Officer since August 30, 2013 and Executive Vice President and Chief Financial Officer of EP Energy LLC since May 2012. He was previously Senior Vice President of Strategy and Enterprise Business Development and a member of the Executive Committee of El Paso Corporation from October 2009 to May 2012. He previously served as Senior Vice President and Chief Financial Officer of our predecessor, EP Energy Corporation (a/k/a El Paso Exploration & Production Company), from May 2006 to October 2009. He was the Vice President and Controller of Burlington Resources Inc. from June 2005 to March 2006. From January 2002 to May 2005 he was Senior Vice President and Chief Financial Officer of Burlington Resources Canada. He was a member of the Burlington Resources Executive Committee from 2000 to 2006. From 1984 to 1993, Mr. Whitehead was an independent accountant with Coopers and Lybrand. He is a member of the American Institute of Certified Public Accountants.
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About EP Energy Corporation, Marathon Oil Corporation: Marathon Oil Corporation is an international independent energy company engaged in exploration and production.

Donald C. Templin
Senior Vice President and CFO of Marathon Petroleum
Mr. Templin is a graduate of Grove City College (Pa.) and is a certified public accountant and a member of the American Institute of Certified Public Accountants. Mr. Templin began his career with Marathon Petroleum Corporation in June 2011. Prior to this, he was the managing partner of the Audit Practice for PricewaterhouseCoopers LLP (PwC) in Georgia, Alabama and Tennessee from 2009 to 2011. While at PwC, he had more than 25 years of experience providing auditing and advisory services to a wide variety of private, public and multinational companies. He formerly served as the Managing Partner of PwC’s practice in Kazakhstan and also participated in the International Service Program in PwC’s World Office in London, England. Mr. Templin joined PwC in the Pittsburgh office in 1984 where he served a number of public manufacturing clients. He participated in a tour in London, England from 1989 – 1991 where his primary responsibility was to support developing PwC practices principally in West Africa, the Caribbean and Taiwan. Mr. Templin returned to the Pittsburgh office in 1991 and served a number of public companies primarily in the manufacturing and energy industries. He transferred to Kazakhstan in 1996 where he led the PwC practice for two years; then returning to Pittsburgh in 1998 and was the partner on a number of public companies primarily in the manufacturing and energy industries. In 2005, Mr. Templin transferred to Baltimore to assume the partner role on a large utility client before assuming his previous position in Atlanta in August 2009. Mr. Templin serves on the board of directors and is vice president and chief financial officer of MPLX GP LLC and also serves on the board of directors of Calgon Carbon Corporation. He is also very active in a number of charitable organizations including the United Way.
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About Marathon Petroleum, MPLX LP: MPC is the nation’s fourth-largest refiner and the largest refiner in the Midwest. MPC’s refining, marketing and transportation.

Trey Karlovich
Executive Vice President & Chief Financial Officer of NGL Energy Partners
Trey Karlovich is our Executive Vice President and Chief Financial Officer.Trey Karlovich has over 15 years of experience in the energy industry including executive roles in finance and accounting. Trey Karlovich most recently served as the Chief Financial Officer for Targa Pipeline Partners, LP, a subsidiary of Targa Resources Partners LP (“Targa”), from February 2015 through February 2016 and as Senior Vice President of Commercial and Business Development for Targa from November 2015 through February 2016. Trey Karlovich served in various executive roles at Atlas Pipeline Partners, L.P. and its subsidiaries (“APL”) from September 2006 through February 2015 when APL merged with Targa, most recently as Chief Financial Officer (since November 2011) and Chief Accounting Officer (since November 2009). Trey Karlovich served as Controller of Atlas Pipeline Mid-Continent LLC, a subsidiary of APL, from September 2006 to November 2009. Prior to joining APL,Trey Karlovich served in various roles at Syntroleum Corporate from February 2004 through September 2006, most recently as Controller and served in various roles in the audit departments for Arthur Andersen LLP and Grant Thornton LLP. Trey Karlovich is a certified public accountant, a graduate of Oklahoma State University and serves on the board of directors for Youth Services of Tulsa.
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About NGL Energy Partners: We are a publicly traded Master Limited Partnership listed under the ticker symbol “NGL” on the New York Stock Exchange.

Stephen J. Riney
EVP & CFO of Apache Corp
STEPHEN J. RINEY, 55, was appointed executive vice president on Feb. 18, 2015, and chief financial officer effective March 3, 2015. Prior to joining the company, he served as chief financial officer for BP Exploration and Production from July 2012 to January 2015, and global head of mergers and acquisitions for BP plc from January 2007 to June 2012. Riney holds an MBA from The University of Chicago Booth School of Business and a bachelor’s degree in accounting and finance from the University of Notre Dame.
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About Apache Corp: Apache Corporation is an oil and gas exploration and production company with operations world wide.
Glen C. Warren
President, CFO And Director of Antero Resources
Glen C. Warren, Jr. has served as President, Chief Financial Officer and Secretary and as a director since May 2004. Mr. Warren also served as President and Chief Financial Officer and as a director of our predecessor company, Antero Resources Corporation, from its founding in 2002 to its ultimate sale to XTO Energy, Inc. in April 2005. Prior to Antero Resources Corporation, Mr. Warren served as EVP, CFO and Director of Pennaco Energy from 1998 until its sale to Marathon in early 2001. Mr. Warren spent 10 years as a natural resources investment banker focused on equity and debt financing and M&A advisory with Lehman Brothers, Dillon Read and Kidder Peabody. Mr. Warren began his career as a landman in the Gulf Coast region with Amoco, where he spent six years. Mr. Warren is the managing member of Canton Investment Holdings, LLC. Mr. Warren holds a B.A. from the University of Mississippi, a J.D. from the University of Mississippi School of Law and an M.B.A. from the Anderson School of Management at U.C.L.A.
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About Antero Resources: Antero Resources is an independent oil and natural gas company.

RD Ahlers
Chief Financial Officer of ampCNG
RD Ahlers is the Chief Financial Officer at ampCNG.
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About ampCNG: ampCNG is engaged in the transition to compressed natural gas (CNG) as a transportation fuel in the commercial trucking industry.

Harri Nikunen
CFO of Metso
Harri Nikunen has been Metso Corporation’s CFO since March 1, 2011 and Executive Vice President and Deputy to the CEO since November 1, 2013. He was Paper and Fiber Technology’s Senior Vice President, Finance from 2005–2011. He was Metso Corporation’s Senior Vice President, Business Infrastructure from 2004–2005. Nikunen held various senior business management positions in Metso Minerals Oy from 1994–2004. He also held various finance management positions in Rosenlew Group from 1986–1994. Before that, he was Finance Manager at Nokia Information Systems’ Industrial Customers Segment and held various positions in IBM Sweden from 1981–1985.
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About Metso: At the heart of Metso is our unending drive to make the big difference to our customers.
Eeva Sipilä
CFO and Deputy to CEO of Metso
Eeva Sipilä has served as the Chief Financial Officer (CFO) of Cargotec Corporation since 2008. She has worked for Cargotec since 2005. Prior to her current role, she was Senior Vice President, Investor Relations and Communications during 2005–2008. From 2002–2005, she worked for Metso Corporation as Vice President, Investor Relations. Before Metso, Eeva Sipilä worked as an equity analyst at Mandatum Stockbrokers, Sampo-Leonia and Leonia Bank during 1999–2002. From 1997–1998, she worked as an associate consultant at Arkwright AB in Sweden.
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About Metso: At the heart of Metso is our unending drive to make the big difference to our customers.

Scott Archer
Senior Vice President & Chief Financial Officer of Howard Energy Partners
Scott Archer brings nearly 20 years of merger and acquisition, company structuring and energy-related finance experience to HEP. As CFO, Archer is responsible for all financial functions of the company including screening and structuring potential transactions, capital sourcing and financial analysis development. Archer comes to HEP from Tudor, Pickering Holt & Co. (TPH), where he spent two years as managing director of investment banking focused on the midstream sector and MLPs. He served as a strategic financial advisor and capital sourcing provider for buy-side and sell-side clients both private and public. Prior to TPH, Archer spent 13 years with Bank of America Merrill Lynch, ultimately as a managing director with the firm’s Global Energy & Power Group. He led or participated in more than 20 merger and acquisition transactions ranging from $50 million to $8 billion and was the structuring agent on numerous MLP initial public offerings. Archer holds a Bachelor’s degree in business honors and finance and a Master of Business Administration degree, both from the University of Texas at Austin.
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About Howard Energy Partners: Howard Energy Partners offers an integrated midstream platform that includes infrastructure and services from wellhead to market.
Robert Taylor
Executive Vice President, Treasurer and Chief Financial Officer of Superior Energy Services
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About Superior Energy Services: Superior Energy has a history of developing specialized tools and technologies designed to meet customer needs.
Matthew Meloy
Executive Vice President, Chief Financial Officer and Treasurer of Targa Resources Partners
Matthew J. Meloy has served as Executive Vice President and Chief Financial Officer of TRC and the General Partner of TRP since May 2015 and of TRI since June 2015. Mr. Meloy previously served as Senior Vice President, Chief Financial Officer and Treasurer of TRC and TRI since October 25, 2010 and of the General Partner of TRP since December 15, 2010. Mr. Meloy served as Vice President — Finance and Treasurer of TRC and TRI between April 2008 and October 2010, and as Director, Corporate Development of TRC and TRI between March 2006 and March 2008 and of the General Partner of TRP between March 2006 and March 2008. He has served as Vice President — Finance and Treasurer of the General Partner of TRP between April 2008 and December 15, 2010. Mr. Meloy was with The Royal Bank of Scotland in the structured finance group, focusing on the energy sector from October 2003 to March 2006, most recently serving as Assistant Vice President.
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About Targa Resources Partners: Targa Resources is a growth-oriented provider of midstream services and is one of the largest independent midstream energy.

Jeremy R McGuire
Chief Accounting Officer, Chief Financial Officer & Senior Vice President of Talen Energy Corp.
Jeremy McGuire has 20 years of financing and strategy advisory experience. He led the Strategic Planning function at PPL Corporation from 2008 until the closing of the spinoff transaction that established Talen Energy. He led several competitive power transactions for PPL, both as a buyer and seller, comprising 2,500 megawatts of capacity. He also played a leading role in PPL’s acquisition of $14 billion in utility businesses. Before joining PPL in 2008, he was an investment banker at Lehman Brothers, where he worked with regulated utilities, independent power producers and private equity clients. Before joining Lehman Brothers in 2000, he had more than five years of experience in investment banking. He is a Chartered Financial Analyst (CFA).
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About Talen Energy Corp.: Talen Energy Corp. operates as an energy and power generation and marketing company in North America.

David Boersma
Chief Financial Officer of Foro Energy
Mr. Boersma has over 20 years of operational and corporate finance experience in the Energy and Energy Services, Mining, and Manufacturing industries spanning the United States, Brazil, Europe and Asia. Most recently Mr. Boersma served as the senior financial executive for Ameron International’s (now part of National Oilwell Varco) global fiberglass pipe/fittings business serving the oilfield, offshore and marine markets. Previously, Mr. Boersma served in financial leadership roles with Honeywell, Waste Management and General Electric with primary areas of focus in financial planning, strategic planning, analysis, process improvement, financial controls and business integration. Mr. Boersma began his career with Freeport McMoRan Copper and Gold as an analyst at their copper mine in Irian Jaya, Indonesia before returning to Freeport’s corporate headquarters to manage the finance and business development function. Mr. Boersma holds a Master of Business Administration from the A.B. Freeman School of Business at Tulane University as well as a Bachelor of Science in Business from the University of Kansas.
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About Foro Energy: Foro Energy is commercializing high power lasers for the oil, natural gas, geothermal, and mining industries.

Lynsey Wenger
CFO & CSO of Calysta
Lynsey Wenger joined Calysta in 2016 as Chief Financial Officer and Chief Sustainability Officer. She is responsible for the company’s financial strategy, planning and management, and for expansion and implementation of Calysta’s long term sustainability strategy and programs. Ms. Wenger joined Calysta following a 16-year career with The Goldman Sachs Group, where she spent the greater part of the last decade specializing in global natural resources investment banking. She will have responsibility for the company’s financial strategy, planning and management, and for expansion and implementation of Calysta’s long term sustainability strategy and programs. During Ms. Wenger’s career at Goldman Sachs, she managed and led investment banking activities in global natural resources ranging from international mergers and acquisitions and IPOs to multimillion-dollar equity transactions and debt placements. Her industry experience includes natural gas and electric utilities, power, renewables and alternative energy. Most recently, Ms. Wenger served as a Vice President in the Investment Banking Division, with responsibility for transactions in the corporate power and utility sectors. Previously, she served in the Americas Financing Group as Head of Investment Grade Power, Utility and Midstream Debt Capital Markets. Earlier in her career she held positions in Equity Derivative Sales in the United States and Australia. Ms. Wenger holds an MBA from The Wharton School at the University of Pennsylvania and a Bachelor of Arts degree from Duke University.
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About Calysta: Calysta Energy develops a new biological gas-to-liquids™ (BioGTL™) and biological gas-to-chemicals (BioGTC™) technology using natural gas.
Mike Boyd
Co-Founder & CFO of Magma Global
Mike Boyd is Co-Founder & CFO at Magma Global.
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About Magma Global: Magma Global designs and manufactures m-pipe, a high performance solution for risers and jumpers in subsea oil and gas transfers.

Mark Burford
Vice President & Chief Financial Officer of Cimarex Energy
Mark Burford was named Vice President and Chief Financial Officer in September 2015. He was appointed Vice President, Capital Markets and Planning in December 2010. Mr. Burford joined Cimarex in April 2005 as Director of Capital Markets. Prior to joining Cimarex he was Director of Investor Relations for Whiting Petroleum and Tom Brown. His experience also includes equity research with Petrie Parkman & Co., an investment banking firm and public accounting.
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About Cimarex Energy: Cimarex Energy is a Denver-based independent exploration and production company with operations in Oklahoma, Texas, New Mexico and Kansas.

Lloyd A. Hajdik
EVP, CFO and Treasurer of Oil States
Mr. Lloyd A. Hajdik is Chief Financial Officer, Senior Vice President, Treasurer of the company. He served as the Chief Financial Officer of GR Energy Services, LLC, a privately-held oilfield services entity, from September to November 2013, and Senior Vice President – Finance and Chief Accounting Officer of Helix Energy Solutions Group, Inc. (“Helix”) from November 2008 to April 2013. From May 2013 to August 2013, Mr. Hajdik pursued his personal interests and managed his investments. Mr. Hajdik joined Helix in December 2003 as Vice President and Corporate Controller and was named Chief Accounting Officer in February 2004 and continued in that role until April 2013. Prior to joining Helix, Mr. Hajdik served in a variety of accounting and finance-related roles of increasing responsibility with Houston-based companies, including NL Industries, Inc., Compaq Computer Corporation (now Hewlett Packard), Halliburton’s Baroid Drilling Fluids and Zonal Isolation product service lines, Cliffs Drilling Company and Shell Oil Company. Mr. Hajdik was with Ernst & Young LLP in the audit practice from 1989 to 1995. Mr. Hajdik graduated Cum Laude from Texas State University receiving a Bachelor of Business Administration degree. Mr. Hajdik is a Certified Public Accountant and a member of the Texas Society of CPAs, the American Institute of Certified Public Accountants and Financial Executives International.
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About Oil States: Oil States International, Inc. is a diversified oilfield services company and is a leading integrated provider of remote site
Shai Even
Executive Vice President and Chief Financial Officer of Enviva Partners
Shai Even is Executive Vice President and Chief Financial Officer of Enviva. In this role, Shai leads Enviva’s finance and accounting organization and provides strategic leadership on finance matters. Shai holds 25 years of experience with operational and strategic finance, including senior financial and management roles at master limited partnerships. Most recently, Shai served as Senior Vice President and Chief Financial Officer of Alon USA Energy, Inc. and Alon USA Partners, LP. While at Alon, Shai led the parent company’s successful IPO on the NYSE in 2005 and the successful IPO of Alon’s MLP in 2012. He led the company’s two major acquisitions and scaled its finance organization to complement the growth of the company. Prior to joining Alon, Shai served as the Chief Financial Officer of DCL Group in Tel Aviv, Israel, and as an auditor with KPMG. Shai holds a bachelor’s degree in Economics and Accounting from Bar-Ilan University and is a certified public accountant.
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About Enviva Partners: Enviva Partners is a publicly traded master limited partnership that aggregates a natural resource, wood fiber, and processes.

Robert Fitzgerald
Senior Vice President and Chief Financial Officer of SemGroup
Robert Fitzgerald joined SemGroup® Corporation in November 2009 and serves as senior vice president and chief financial officer. Prior to joining SemGroup, Fitzgerald served as chief financial officer from February 2008 to November 2009 of Windsor Energy Group, a private independent oil and gas exploration and development company. He has also served in senior financial and operating roles in commodity transportation and telecommunication companies. Fitzgerald was with BP Amoco and Amoco Corporation for 20 years, working in various financial and operations positions in Tulsa, Oklahoma; Houston, Texas; Denver, Colorado; and Chicago, Illinois. Fitzgerald received a master’s degree in business administration from the University of Tulsa and a bachelor of business administration degree from Western Illinois University. He is currently a member of the American Institute of Certified Public Accountants, the Institute of Management Accountants and the Institute of Internal Auditors. He is a certified public accountant.
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About SemGroup: SemGroup® Corporation (NYSE: SEMG) is a publicly held company that moves energy safely through a network of pipelines.
Gary R. Dalke
Chief Financial Officer of Western Refining
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About Western Refining: Western Refining independent oil refiner and marketer,

Paul Helton
Chief Financial Officer of RelaDyne
Helton joined RelaDyne in 2012 from Petermann Partners, the largest privately held provider of school bus transportation services in the world, where he had been Vice President and CFO since 2005. As CFO at Petermann, Helton had many tasks, including completing a five roll up acquisition of top 50 school bus contractors and structuring deals to take advantage of various tax planning strategies saving the company over $1 million in annual taxes. At RelaDyne, Helton’s main priority is to build a finance organization that will provide support to the company in achieving its very exciting growth objectives. His other duties consist of responsibilities for the financial operations of the business including accounting operations, treasury, financial planning and analysis, banking and investor relations. Paul is a 1987 graduate from the University of Kentucky where he received a Bachelor of Science in Accounting. He continues to maintain his Certified Public Accountant (CPA) certification and resides in Villa Hills, Kentucky.
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About RelaDyne: RelaDyne is a supplier of comprehensive equipment reliability products and value added services.

Christina Chen
Co-Founder and Chief Financial Officer of Carrier Energy Partners
Christina Chen is the Vice President and Chief Financial Officer and an original founder of Carrier Energy Partners. She previously was the Vice President of Finance for Carrier Petroleum, where she led the financial evaluation and portfolio management efforts of the company. Prior to joining Carrier, Christina was with Goldman, Sachs & Co, working in Corporate Treasury in New York before moving to Houston to join E&P Capital. While she was in E&P Capital, Christina evaluated and executed principal investments in the energy industry, performed due diligence, and helped manage a portfolio of over $600 million. She is a member of Houston Producers’ Forum, Houston Energy Finance Group, ADAM-Houston, and Women’s Energy Network, and she also serves on the Board of Directors of the Harvard University Club of Houston. Christina graduated magna cum laude from Harvard University with a Bachelor of Arts in Applied Mathematics.
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About Carrier Energy Partners: Carrier Energy Partners is a private oil and gas company focused on the acquisition and exploitation of upstream assets.

Nancy Hamilton
Chief Financial Officer/Board Member of Ubiterra
Ms. Hamilton joined Ubiterra as CFO in May, 2012. She has over 25 years of finance and accounting experience and serves as the Company’s CFO. She has held executive financial positions for numerous software companies in the Denver-Boulder area. Most recently she was CFO for Local Matters, Inc., a multinational, Denver-based software company for the Yellow Pages industry.
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About Ubiterra: Ubiterra develops cloud-based technologies to manage data needs of the oil and gas industry.

David Lucke
CFO of Aurora Oil & Gas
J. David Lucke is the Chief Financial Officer of Tri-Point. Mr. Lucke has more than 20 years of experience in corporate finance, mergers and acquisitions. Prior to co-founding Tri-Point, Mr. Lucke worked in energy investment banking, including KeyBanc, Jefferies, ABN AMRO, Prudential Securities, and Lehman Brothers. Mr. Lucke also served as Chief Financial Officer of two independent exploration and production companies, Aurora Oil & Gas and Sabco Oil & Gas. In addition, Mr. Lucke worked for Coopers & Lybrand and is a Certified Public Accountant. Mr. Lucke received an MBA from The University of Texas at Austin and a BA from Duke University.
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About Aurora Oil & Gas, Tri-Point Oil & Gas Production Systems: Aurora Oil & Gas Limited engages in the development and production of oil and gas properties in North America.

Kyle Bebee
MD & CFO of Lucid Energy Group
W. Kyle Bebee is the Managing Director & Chief Financial Officer at Lucid Energy Group, LLC. Bebee has a broad experience base in private equity and bank finance, deal origination and structuring, deal team management and risk management. Bebee’s track record includes over 30 transactions in recent years in excess of $1.4 billion. Bebee has experience financing transactions in large corporations as well as entrepreneurial startups. Bebee has served on the Board of Directors of various companies including two publicly registered REITs. Bebee began his career in private equity as an Analyst at the Blackstone Group and immediately prior to the formation of Lucid Energy was President of the Spicewood Group. Bebee holds a B.B.A. in finance from Texas A&M University, College Station.
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About Lucid Energy Group: Lucid Energy Group is a startup midstream company that provides oil and natural gas producers with a range of midstream services.

Tom Shoaf
EVP & CFO of NuStar Energy
Tom Shoaf is the EVP & CFO at NuStar Energy.Tom attended Abilene Christian University.
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About NuStar Energy: NuStar Energy is a independent liquids terminal and pipeline operators in the nation.
Juan Pablo Tardio
Vice President and Chief Financial Officer of Helmerich & Payne
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About Helmerich & Payne: Helmerich & Payne, Inc. is a contract drilling company which engaged primarily in the drilling of oil and gas wells for exploration.

Dave Piazza
Chief Financial Officer of Enverus
Dave Piazza is the Chief Financial Officer at Enverus.
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About Drillinginfo, Enverus: Enverus is delivering business critical insights to oil and gas industries through SaaS platform.

James M. Mitchell
EVP & CFO of GulfMark Offshore
James M. Mitchell, Executive Vice President and Chief Financial Officer, Gulfmark James (Jay) M. Mitchell was named Executive Vice President and Chief Financial Officer of the Company in June 2013. His expertise includes strategic planning, mergers and acquisitions, finance, accounting, treasury, taxation, risk management and investor relations. His most recent experience was as CEO of the privately held Flex Energy. Previously, Mr. Mitchell worked as Senior Vice President & CFO of T-3 Energy Services, a publicly traded company, until its successful sale in 2011. He earned a MPA in Taxation from the University of Texas at Austin, and a B.B.A. in Accounting from Georgia State University.
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About GulfMark Offshore: GulfMark provides marine transportation services
Aaron Gaydosik
Chief Financial Officer of Chisholm Energy
Mr. Gaydosik holds a Bachelor of Business Administration in Finance from Southern Methodist University and a Masters of Business Administration from the University of Chicago Booth School of Business. Prior to joining Chisholm Energy, he served as Chief Financial Officer at Gulfport Energy Corporation, a publicly traded exploration and production company, from August 2014 until January 2017. From July 2013 until August 2014, Mr. Gaydosik served as Vice President of Finance at Kodiak Oil & Gas Corp., an independent energy company with operations focused primarily in the Williston Basin of North Dakota. From May 2007 through July 2013, Mr. Gaydosik held various positions of increasing levels of responsibility at Credit Suisse Securities (USA), LLC, most recently as a Director in its Oil and Gas Group, focused on capital markets and advisory transactions primarily for exploration and production companies. Mr. Gaydosik’s prior experience includes various positions within the investment banking divisions of Wachovia Securities and Bear, Stearns & Co. Inc.
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About Chisholm Energy: Chisholm Energy is a privately held oil and gas company.
Seth Kammerman
Chief Financial Officer of HudsonField
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About HudsonField: HudsonField is a client-focused company providing solutions to physical logistics, financing, and risk management.

Philip P. Conti
CFO of EQT GP Holdings
Philip P. Conti was appointed as a director, senior vice president and chief financial officer of our general partner in January 2012. Conti is senior vice president and chief financial officer of EQT and has held such position since 2007. He became vice president of Finance and treasurer at EQT Corporation in 2000. Since joining the company in 1996, Conti has also served as director of Planning and Development and assistant treasurer. Prior to joining EQT, Conti was vice president in the Natural Resources department at PNC Bank from 1992-1996. Previously, he was a banking officer in the energy and utilities department of Mellon Bank, and before that, senior production engineer at Tenneco Oil Company. Conti is also a member of the board of directors for the River City Brass Band. Conti earned a master’s degree in business administration from the University of Pittsburgh and a bachelor’s degree in petroleum and natural gas engineering from Pennsylvania State University.
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About EQT GP Holdings: EQT GP Holdings is a limited partnership formed in 2015 to own partnership interests in EQT Midstream Partners.
Chris Sorrells
Chief Financial Officer of 4 AM Midstream
Chris joins the 4AM team with more than 16 years of Oil & Gas experience. He previously was the Assistant Controller for Chesapeake Energy, one of the nation’s largest producers of oil and gas, where he was responsible for the Marketing and Midstream Accounting department. Prior to this he held various Accounting roles of increasing responsibility at Chesapeake. He holds a Finance degree from the University of Central Oklahoma.
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About 4 AM Midstream: 4AM Midstream is an asset management company that acquires, develops, owns and operates midstream pipeline assets.

Frank Genova
COO, Co-Founder & CFO of Convergent Energy and Power
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About Convergent Energy and Power: Convergent Energy + Power is a technology-neutral energy storage asset developer

David Allsworth
Chief Financial Officer of GlassPoint Solar
David oversees GlassPoint’s financial and administrative operations. He has more than two decades of financial experience with companies across the oil and gas and energy industries, most recently as a divisional SVP and CFO with IMI PLC. Previously, David held senior financial roles at Alstom Power, where he oversaw a $10B+ project portfolio for Alstom’s global gas power plant business. Before that, he served as CFO of the industrial gas turbine division for Siemens AG.
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About GlassPoint Solar: GlassPoint provides solar steam generators to the oil and gas industry for applications such as Enhanced Oil Recovery.
Caleb Weatherl
President & CFO of Stronghold Energy II
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About Stronghold Energy II: Stronghold Energy II is an oil and gas exploration and production company focused on the Central Basin Platform of the Permian Basin.
John Pitstick
Chief Financial Officer of Seven Lakes Technologies
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About Seven Lakes Technologies: Seven Lakes Technologies is an enterprise software company focused on the upstream oil and gas segment

Patrick Mcgrath
Chief Financial Officer of Cub Energy
Patrick McGrath is the Chief Executive Officer at Blue Moon Mining Corp.
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About Blue Moon Mining, Cub Energy: Cub Energy Inc, US based Ukrainian Natural Gas Entity.

Thomas Hanson
Senior Vice President & Chief Financial Officer of Alliant Energy
Tom has served as Senior Vice President and Chief Financial Officer since 2013. Over the last 35 years, he has served in a number of positions in Alliant Energy’s CFO group, including Controller and Chief Accounting Officer and Treasurer. Tom earned bachelor’s degrees in Accounting and Public Utilities and Transportation from the University of Wisconsin-Madison in 1980.
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About Alliant Energy: Alliant Energy Corporation (Alliant Energy) operates as a regulated investor-owned public utility holding company
Jeffrey Favret
CFO of Gulf Island Fabrication
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About Gulf Island Fabrication: Gulf Island Fabrication, Inc. is a diversified, publicly-traded corporation
Dennis M. O’Leary
Chairman, Founder, CEO, and CFO of DarkPulse
Dennis O’Leary is the Chairman, Founder, CEO, and CFO of DarkPulse.
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About DarkPulse: DarkPulse uses advanced laser-based monitoring systems to provide rapid and accurate monitoring of temperatures, strains and stresses.
Richard J. Doleshek
CFO of QEP Resources
Richard J. Doleshek was appointed as a Director and Executive Vice President and Chief Financial Officer of our general partner in April 2013. Mr. Doleshek has served as Executive Vice President, Chief Financial Officer and Treasurer of QEP since June 2010. He served as Executive Vice President, Chief Financial Officer of Questar from 2009 until QEPs spin-off in June 2010. Mr. Doleshek will devote […] more
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About QEP Resources, QEP Resources: QEP Resources is an independent crude oil and natural gas exploration and production company focused in Northern & Southern United States.
Thomas E. Long
Chief Financial Officer & Director of PennTex Midstream Partners
Thomas E. Long was elected executive vice president and chief financial officer of Regency GP LLC in November 2010. From May 2008 to November 2010, Mr. Long served as vice president and chief financial officer of Matrix Service Company. Prior to joining Matrix, he served as vice president and chief financial officer of DCP Midstream Partners, LP, a publicly traded natural gas and natural gas liquids midstream business company located in Denver, CO. In that position, he was responsible for all financial aspects of the company since its formation in December 2005. From 1998 to 2005, Mr. Long served in several executive positions with subsidiaries of Duke Energy Corp., one of the nation’s largest electric power companies
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About Energy Transfer Partners, PennTex Midstream Partners: PennTex is a growth-oriented master limited partnership focused on owning, operating, acquiring and developing midstream energy.

Erik Young
Senior Vice President, Chief Financial Officer of PBF Logistics
Erik Young was appointed Senior Vice President and Chief Financial Officer of our general partner and of PBF Energy effective April 1, 2014. Erik Young previously served as Director, Strategic Planning at PBF Energy since December 2010, where he was responsible for coordinating corporate development and capital markets initiatives for PBF Energy. Prior to joining PBF Energy, Erik Young spent eleven years in corporate finance, strategic planning and mergers and acquisitions roles across a variety of industries. Erik began his career in investment banking before joining J.F. Lehman & Company, a private equity investment firm, in 2001.
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About PBF Energy, PBF Logistics: PBF Logistics is a fee-based, growth-oriented master limited partnership formed by PBF Energy to own or lease.
Jesse Irvin
CFO of Bison Oil & Gas
Jesse Irvin currently works as Chief Financial Officer at Bison Oil & Gas.
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About Bison Oil & Gas: Bison Oil & Gas is an exploration and production company that seeks to expand its position via leasing, acquisition, and joint venture.
Jonathan Stein
Chief Financial Officer of Hess Midstream Partners
Jonathan Stein was appointed chief financial officer of their general partner in July 2014. He has served as chief financial officer of Hess Infrastructure Partners since its formation. Jonathan Stein has been vice president, financial strategy since 2016 and continues in the role of chief risk officer of Hess, which he has held since June 2004. He is responsible for Hess’ corporate financial forecasting process, midstream segment financial reporting, and derivative disclosure and accounting policy. He is also a member of Hess’ disclosure review committee. Jonathan Stein previously served as corporate risk manager at Hess. Prior to joining Hess in 2001, he was a consultant with Ernst & Young LLP’s risk management and regulatory practice, where he assisted financial services and energy trading clients in establishing their risk management infrastructure. He serves on the board of trustees of the Global Association of Risk Professionals.
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About Hess Midstream Partners: Hess Midstream Partners focuses on processing natural gas and fractionating natural gas liquids (NGLs) in the United States.
Bob Dentzman
Co-Founder, CFO of Sniffer Robotics
Bob is a seasoned senior financial executive with a broad based background spanning over 40 years with 3 publicly traded companies. He has deep experience in the areas of investor relations, treasury, and corporate finance which include Herman Miller, Inc., Enphase Energy, and Energy Conversion Devices. Bob served as a member of the Board of Directors of Byron Bank and its parent O.A.K. Financial Corporation, a publicly traded company. He chaired the Audit Committee and was also a member of the Directors’ Loan Committee and the Executive Committee. Bob, along with the other board members, played a key role in providing guidance as the bank successfully rebuilt its senior management team. In his board role, Bob was engaged in completing the successful merger with Chemical Bank in 2010 and later served on the Board of Chemical Bank West Michigan until leaving Michigan for the San Francisco Bay Area to join a “clean tech” company, Enphase Energy as Treasurer. As an Entrepreneur Bob started and successfully sold two businesses, one focused on investor relations communications and the other, a specialty retailer of Herman Miller, Inc. furniture and through his consulting business, RFD, LLC. he assisted his clients in acquiring capital to fund growth and evaluating business transition alternatives. Bob has also served on the Board of Education Associates of Black River Charter School and on the Board of Directors of Rest Haven, a faith-based continuing care adult retirement organization. Bob received his MBA with a finance concentration from Western Michigan University and his bachelor’s degree in economics from Kalamazoo College. He lives in the Ludington, Michigan area in the summer and Tucson in the winter with his wife of 35yrs, Barb. He has one child, Katie, 27 who recently completed her PhD and is doing Post-doc work for Washington State University in Pullman, WA.
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About Sniffer Robotics: A New Performance Standard for Managing Methane Emissions

Tim Pierce
EVP, CFO of Uintah Engineering & Land Surveying
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About Uintah Engineering & Land Surveying: UELS is a provider of land surveying and civil engineering services for the oil and gas industries.
Bob Milius
Chief Financial Officer of Apex International Energy
Robert “Bob” Milius joined Apex in October 2017 as Chief Financial Officer with over 20 years of global corporate finance and investment banking experience. Prior to joining Apex, Bob served in banking roles as a for the Middle East and North Africa (MENA) region and has lived in the Middle East providing M&A and capital raising services to public and private companies and Government related entities throughout the energy and power value chain. He has also worked in other banking roles and was based in New York. In addition to strategic advisory and corporate finance work, Bob has experience in complex structured and project finance transactions in the energy sector, including both in the MENA region and elsewhere around the world. Bob received a bachelor’s degree from Yale University and an MBA from The Wharton School at the University of Pennsylvania.
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About Apex International Energy: Apex International Energy is an independent oil and gas exploration and production company.

Benjamin Smith
Chief Financial Officer of Aereon Solutions
Ben Smith serves as Vice President and Chief Financial Officer for AEREON, overseeing the financial and strategic business development activities of the company. With more than 15 years of experience in energy finance, Smith joined AEREON in 2012. Prior to 2012, Smith served as a Director for Denham Capital, and was responsible for sourcing, evaluating, executing and managing private equity investments in the oil, gas and mining sectors. He began his career at Donaldson, Lufkin & Jenrette in the energy investment banking group and has also worked in operating, investment and business development roles at El Paso Corporation and K2 Energy Partners. Smith earned a Bachelor of Arts degree in economics from Princeton University and currently lives in Austin, Texas.
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About Aereon Solutions: Aereon Solutions provides wireless and head office based process automation solutions
Seth Foreman
CFO and Co-Founder of Mallard Exploration
Seth Foreman currently works as Chief Financial Officer and Co-Founder at Mallard Exploration.
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About Mallard Exploration: Mallard Exploration is an upstream oil and gas exploration and production company.
Seth Foreman
CFO and Co-Founder of Mallard Exploration
Seth Foreman currently works as Chief Financial Officer and Co-Founder at Mallard Exploration.
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About Mallard Exploration: Mallard Exploration is an upstream oil and gas exploration and production company.

Brian Steenhard
Chief Financial Officer of Aventine Renewable Energy Holdings
Mr. Steenhard began his career as an audit associate with the largest international accounting firm in the world. While working in public accounting, Mr. Steenhard gained valuable experience in completing mergers and acquisitions, divestures, and initial public offerings for Fortune 500 companies. Mr. Steenhard’s clients operated in various industries including energy trading, public gas and electric utilities, transportation, manufacturing, and non-for-profits.
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About : Aventine Renewable Energy, Inc. is a leading producer of ethanol and related by-products.
Fred Luminoso
CFO of OAG Analytics
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About OAG Analytics: OAG Analytics is a developer of a predictive analytics platform focusing on providing advanced analytics to upstream energy operators.
Alan Curtis
Senior Vice President and Chief Financial Officer of Oceaneering International
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About Oceaneering International, Oceaneering International: Oceaneering is a global oilfield provider of engineered services and products primarily to the offshore oil and gas industry.

David Pitts
Vice President and Chief Financial Officer of Carrizo Oil and Gas
David Pitts currently serves Carrizo Oil and Gas as a vice president and chief financial officer.
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About Carrizo Oil and Gas: Carrizo Oil and Gas is an energy company that engages in exploration, development, and production of oil and gas.

John Laws
Executive Vice President, Chief Financial Officer & Treasurer of Enable Midstream Partners
Laws was promoted to chief financial officer in January 2016 after serving as Enable’s treasurer since 2013. Laws has more than 17 years of experience as a finance executive, more than nine of which have been devoted to the energy sector, serving in a variety of leadership positions in corporate finance and business and corporate development.
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About Enable Midstream Partners: Enable Midstream Partners owns, operates, and develops energy infrastructure assets that link major producing basins and downstream markets.

Nigel Alexander
CFO of Cartasite
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About Cartasite: Industrial IoT provider of wireless sensing technologies that help businesses proactively adapt to change

James M . Markgraf
Vice President, Finance and Chief Financial Officer of Caza Oil and Gas
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About Caza Oil and Gas: Caza Oil and Gas are committed to superior returns through fit-for-purpose application of skills and technology.
Michael Beyer
Senior Vice President & Chief Financial Officer of Laredo Petroleum
Michael T. Beyer has served as Senior Vice President and Chief Financial Officer since April 2019. He joined Laredo in September 2007 and most recently served as Vice President – Controller and Chief Accounting Officer. Michael Beyer has more than 18 years of experience in accounting, with the majority in the energy industry. Prior to joining Laredo, he worked in the tax field and spent five years at a private energy company. He received his Bachelor of Business Administration in Accounting from The University of Oklahoma and has been a Certified Public Accountant since 2002.
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About Laredo Petroleum: Laredo Petroleum is an independent energy company.
Laurie M. Valasek
Chief Financial Officer, Vice President, and Treasurer of Midland Cogeneration Venture
Laurie M. Valasek is the chief financial officer, vice president, and treasurer at MCV. Prior to that, she held various positions within the company’s finance and energy supply and marketing department since 1997. She received an MBA degree from the University of Michigan, Flint, and a bachelor of science in business administration from Central Michigan University.
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About Midland Cogeneration Venture: MCV is a natural gas fired combined electrical energy and steam energy generating plant in the United States of America.

J. Silva
Chief Financial Officer & Co-Foudner of ATX Energy Partners
J Silva is a founder and the Chief Financial Officer of ATX Energy Partners, LLC. Prior to that, he was the Chief Financial Officer of Brigham Resources, LLC from 2012 until the sale of substantially all of its southern Delaware Basin assets to Diamondback Energy in February 2017. J has over 23 years of experience providing investment banking, auditing and consulting services in the energy industry. Prior to joining Brigham Resources in May 2012, Mr. Silva was a Managing Director and Chief Financial Officer for Rivington Holdings, LLC, an independent investment banking firm, where he spent over nine years providing capital raising, M&A advisory and contract CFO services to small and mid-cap energy companies. Prior to Rivington, J was an audit manager for Arthur Andersen, LLP and spent over eight years in their audit energy group. J graduated from the University of Texas at Austin in 1993 with bachelor’s and master’s degrees in Accounting and he has his CPA license in the State of Colorado.
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About ATX Energy Partners: ATX Energy Partners is a privately held oil and gas company.

Susan M. Ward
Director, Vice President & CFO of Shell Midstream Partners
Susan Ward is Vice President, Chief Financial Officer appointed in May 2014, and is a member of the board of directors of our general partner. She is also Head, M&A and Commercial Finance – Americas for Shell Oil Company. Since 2010, she has also served as Trustee and Vice Chairman of the Board of Trustees of the Shell Pension Trust and Chairman of its Investment Committee. Prior to her current role, Ms. Ward served as Vice President, Upstream Commercial Finance for Shell International Exploration & Production B.V. based in The Hague from 2007 to 2009. Since joining Shell in 1998, she has worked primarily in M&A and Commercial Finance roles across Shell’s global businesses. Since 2007, she has also served on the board of directors of Shell’s Bully deepwater drillship joint venture. She earned a Bachelor of Chemical Engineering degree from Villanova University and an MBA in Finance from the Wharton School of the University of Pennsylvania.
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About Shell Midstream Partners: Shell Midstream Partners are a fee-based, growth-oriented master limited partnership recently formed by Shell.

Michael Stock
Chief Financial Officer of Liberty Oilfield Services
CFO at Liberty Oilfield Services.
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About Liberty Oilfield Services: Liberty Oilfield Services is an innovative oilfield service company.
Mark Layton
Chief Financial Officer of Mammoth Energy Services
Mark Layton became Chief Financial Officer of our general partner in August 2014. Mr. Layton served as Chief Financial Officer of Stingray Pressure Pumping LLC from January 2014 to August 2014. Mr. Layton was employed from August 2011 through January 2014 by Archer Well Company Inc. where his last position was Director of Finance for North America. From September 2009 through August 2011, Mr. Layton was employed by Great White Energy Services, Inc. where his last position was Corporate Controller and Director of Financial Reporting. Mr. Layton served as Vice President of Finance of Crossroads Wireless, Inc., a wireless telecommunications service company, from May 2007 through September 2009. In February 2009, an involuntary petition petition under Chapter 7 of the United States Bankruptcy Code was filed against Crossroads Wireless, Inc. in the Western District of Oklahoma. From April 2004 through May 2007, Mr. Layton served as the Director of Financial Reporting for Chickasaw Holding Company, a telecommunications service company. He began his career in public accounting with Finley & Cook PLLC. Mr. Layton has a Bachelor of Science degree in Accounting from the University of Central Oklahoma. Mr. Layton is a Certified Public Accountant.
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About Mammoth Energy Services: Mammoth is an integrated, growth-oriented oilfield service company serving companies engaged in exploration of oil and natural gas reserves.
Andrew L. Puhala
VP & CFO of American Electric Technologies, Inc.
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About American Electric Technologies, Inc.: AETI is the leading global provider of power delivery solutions for the traditional and renewable energy industries
Jim E. Frazier
CFO of 665 Energy
Mr. Jim E. Frazier is the CFO and an executive with over 25 years of experience. Jim has served as Chief Financial Officer for several public companies over the last 20 years including companies on the OTC, OTC:BB, TSX and NASDAQ. Jim attended Fordham University and the New York Institute of Finance. He has a degree in Economics, a Masters in Finance, and is a certified internal auditor.
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About 665 Energy: 665 Energy is a holding company in the oilfield equipment and supply industry.

John Hopper
Chief Financial Officer of Melior Innovations
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About Melior Innovations: Melior Innovations™ is a materials technology company.
Simo Sääskilahti
Chief Financial Officer of Neles
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About Neles: Neles is a well-known flow control solutions and services provider to the oil and gas refining, pulp.

B. Lane Bond
Chief Financial Officer & Director of Finance of Epsilon Energy
Lane Bond joined Epsilon in January 2012 as Director of Finance and was subsequently promoted to Chief Financial Officer in May 2012. Mr. Bond’s financial career spans over 25 years with extensive management and oil and gas experience domestically and internationally. He was previously employed by Occidental Petroleum Corporation where he served in various senior management capacities within the finance and accounting functions in the United States, Libya, Yemen, Siberia, Pakistan and Indonesia. Mr. Bond holds a Masters in Business Administration from the University of Tulsa and a Bachelor of Science in Accounting from the University of Arkansas.
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About Epsilon Energy: Epsilon Energy Ltd. is a North American on-shore focused independent oil and gas company.
Paul Summers
SVP & Chief Financial Officer of Rentech
Paul Summers is the SVP and Chief Financial Officer at Rentech.
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About Rentech: Rentech provides clean energy solutions.
Chris Arndt
Chief Financial Officer (CFO) | Operational Strategy | Restructuring | Revenue Generation of Hart Energy
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About Hart Energy: Hart Energy provides data, text and direct commentary about energy markets and technologies from sources worldwide.
Alain Cappeluti
CFO of CavitroniX™
Managed successful exit as CFO of CoGenesys. Currently Co-Founder of Noble Life Sciences, NexImmune and other ventures.
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About CavitroniX™: CavitroniX™ expects to commercialize its proprietary E2C® fuel emulsion technology to a large oil-consuming market.
Sam Beaufait
Chief Financial Officer of Rock River Minerals
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About Piedra Resources, Rock River Minerals: Rock River Minerals is an oil & gas mineral rights acquisition company.

Todd Trapp
Chief Financial Officer of Watts Water Technologies
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About Watts Water Technologies: Watts Water Technologies, Inc. (Watts). is a provider of water quality, water conservation, water safety and water flow control products
John Turner
CFO of Atlas Sand
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About Atlas Sand: Founded by long-time E&P operators with significant experience in the Permian Basin alongside the best talent in the sand mining industry.

Brewster Boyd
CFO of EcoVapor Recovery Systems
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About EcoVapor Recovery Systems: A developer of vapor recovery and oxygen removal equipment used in the energy industry.
Wendy W. Zhang
CFO of Zomega Terahertz Corporation
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About Zomega Terahertz Corporation: Manufacturing components for systems in R&D and industrial applications.
Alejandro Murphy
CFO&EVP of Citla Energy
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About Citla Energy: Citla Energy is a Mexican independent exploration and production company
Brandon Standifird
CFO of U.S. Energy Development
Brandon Standifird serves as the Chief Financial Officer at U.S. Energy Development Corporation.
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About U.S. Energy Development: USEDC is an oil and gas direct investment company for clients with tax planning needs.