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 Mining 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.

John McPherson
EVP & CFO of Vulcan Materials Company
John McPherson is executive vice president, chief financial and strategy officer for Vulcan Materials Company. Mr. McPherson joined Vulcan in 2011 as senior vice president for strategy and business development, and has been involved with the Company professionally since 2009. During 2013, he served as senior vice president of the East Region until his promotion to executive vice president and chief financial officer. Prior to joining Vulcan, Mr. McPherson was the managing partner of the Dallas office of McKinsey & Company, a global management consulting firm. Mr. McPherson also spent several years as an investment banker with Goldman Sachs & Co. Mr. McPherson is a graduate of Stanford University where he earned both B.S. and M.B.A. degrees.
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About Forterra, Vulcan Materials Company: Vulcan Materials Company is the nation’s largest producer of construction aggregates, primarily crushed stone, sand and gravel.

Mary Lindsey
Vice President and Chief Financial Officer of Commercial Metals Company
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About Commercial Metals Company: Commercial Metals is a vertically integrated, Fortune 500 steel company that recycles, manufactures, fabricates, and trades steel globally.

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.
Ashley Brunner
CFO of Coinmine
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About B Consulting, Coinmine: Coinmine One is the first all-in-one crypto miner for everyone.

James D. Frias
Chief Financial Officer, Treasurer & Executive Vice President of Nucor Corporation
Mr. Frias has been Chief Financial Officer, Treasurer and Executive Vice President since January 2010. He previously served as Corporate Controller from 2001 through 2009, becoming Vice President in 2006. He was Controller of Nucor Steel, Crawfordsville, Indiana from 1994 to 2001 and Controller of Nucor Building Systems, Waterloo, Indiana from 1991 to 1994.
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About Nucor Corporation: Nucor Corporation is engaged in the manufacture and sale of steel and steel products. The Company operates in two business segments: steel

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.

Gregorio Formoso
Chief Financial Officer of AIM Exploration
Mr. Formoso has been our sole officer and a director since our inception on February 18, 2010. Mr. Formoso is an Industrial Management Engineer with extensive experience in supply chain management and business analysis and development. He has worked in a variety of industries that include food, beverage, packaging, business process outsourcing, mining, and medical diagnostics. Mr. Formoso currently holds the position of President of Paladino Management and Development Corporation, which manages a feldspar mining and processing operation in northern Philippines. He is also the Vice President (VP) of Operations and Treasurer of PharmaCanada, Inc.—a medical diagnostics company specializing in early cancer detection. He has held key roles that include: Director of Sherpa Global Supply Chain Solutions Center, Inc., President and Chief Operating Officer of Asialink Business Process Outsourcing, Inc., and various management positions with San Miguel Corporation (a Filipino conglomerate).
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About AIM Exploration: AIM Exploration currently has two existing projects, a 40% interest in a Feldspar mine located in the Philippines and an Anthracite Coal.

Ed Salay
CFO of VoiceBase
Ed has over 20 years finance and operations experience, including Ford Motor, Polycom, and Applied Biosystems. He later served as CFO at several startups, and most recently at Jobscience which was acquired by Bullhorn in 2018.
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About VoiceBase: Speech Analytics for the Data-Driven Enterprise

Charles Rateliff
Chief Financial Officer of Ecoark Holdings
Charles Rateliff currently serves as an independent consultant to private investment groups. Mr. Rateliff retired in 2005 from Walmart Stores as a Senior Vice President after a 25-year career. After receiving an MBA from the University of Arkansas, Mr.Rateliff was hired as an internal auditor for Walmart and within five years was promoted to assistant treasurer and later on, treasurer. Over the course of his career at Walmart, Charles worked across several departments including, compliance, risk management, profit sharing and associate benefits. His financial expertise qualifies him to serve as a member of the board.
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About Ecoark Holdings, Ecoark Holdings: Ecoark is a diversified holding company focused on delivering long-term shareholder value.
Olga Samarina
Founder & CFO of DataSet Analysis
Management, Financial operations, Tax, Treasury
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About Barbary Coast Neighborhood Association, California Board of Accountancy, California Society of Certified Public Accountants, DataSet Analysis, The Bay Club, The Commonwealth Club of California, Trinity: DSA is an early stage medtech startup company that aims to bring research and diagnostics software to the business market.

Eric M Rychel
Executive Vice President & Chief Financial Officer of Aleris International
Eric Rychel is Aleris’ executive vice president, chief financial officer and treasurer. He was named senior vice president and chief financial officer in March 2014. He joined Aleris in 2012 and previously served as vice president and treasurer with responsibility for treasury, strategy, corporate development and investor relations. Eric Rychel was a managing director in the Industrials Group at Barclays Capital, Inc., where he initiated its Metals industry banking effort as the global head of Steel and Metals corporate finance coverage. Prior to that, Eric Rychel was a managing director at Deutsche Bank Securities, Inc., from 1998 to 2009, where he ran the Metals industry investment banking effort. Eric Rychel began his career as an analyst at LSG Advisors, an M&A boutique and predecessor to SG Cowen.
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About Aleris International: Aleris is a privately-held company, focused on the manufacture and sale of aluminum rolled products.

Avi Goldin
Chief Financial Officer of Genie Energy Ltd.
Avi Goldin has served as Chief Financial Officer of Genie since August 2011. He served as Vice President of Corporate Development of IDT Corporation from May 2009 through October 2011. Mr. Goldin originally joined IDT in January 2004 and held several positions within IDT and its affiliates before leaving in January 2008 to join CayComm Media Holdings, a telecommunications acquisition fund, where he served as Vice President, Finance. Mr. Goldin rejoined IDT in May 2009 as Vice President of Corporate Development. Prior to joining IDT, Mr. Goldin served as an Investment Analyst at Dreman Value Management, a $7 billion asset management firm and an Associate in the Satellite Communications group at Morgan Stanley & Co. Mr. Goldin holds an MBA from the Stern School of Business of New York University, a B.A. in Finance from the Syms School of Business of Yeshiva University and is a Chartered Financial Analyst (CFA).
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About Genie Energy Ltd., LUMO Energy, Orbit Energy: Genie Energy Ltd., with its subsidiaries; IDT Energy & Diversegy, operates as a retail energy provider; & an oil & gas exploration company.

Scott Van Buskirk
Chief Financial Officer of Taia Global
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About Taia Global: A Knowledge Engine that can tell you who wants your IP and how they may steal it.

Scott Bryce
CFO of RIFT.io
Scott brings more than 25 years of financial and operational experience to his role as CFO at RIFT.io. Prior to joining RIFT.io, Scott was CFO at BNI Video a provider of software solutions for video service providers which was sold to Cisco Systems in 2011. Prior to BNI Video, Scott was CFO at Cartiza, Inc., a 4G wireless equipment provider. Prior to Cartiza, Scott was VP of Finance for Broadbus Technologies, Inc. a video-on-demand server company, which was sold to Motorola in 2006. Scott began his career with KPMG LLP and is a Certified Public Accountant licensed in MA.
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About RIFT.io: RIFT.io operates in technology sector, based in Burlington, Massachusetts.

Paul H. Zink
Chief Financial Officer & Senior Vice President of Rare Element Resources
Mr. Zink has over thirty-five years of experience in the financial and extractive industries. He most recently served as Chief Executive Officer and Chief Investment Officer for Americas Bullion Royalty Corp. From 2012 to 2013, he served on the board of directors of the Company. Prior to that, he was President of Eurasian Capital, the royalty and merchant banking division of Eurasian Minerals Inc. He also served as president and a director of International Royalty Corporation, prior to its sale to Royal Gold in 2010. He has also held high level positions with companies like Pegasus Gold, Inc. and Koch Industries with responsibilities including corporate development, credit and mergers and acquisitions. He began his career in the metals and mining industry with J.P. Morgan & Co., after receiving his BA in economics and international relations from Lehigh University. Mr. Zink is also a member of the board of directors of Atna Resources Ltd.
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About Rare Element Resources: Rare Element Resources is a Mining and Metals company.
Faisel Hussein
Executive VP and Acting CFO of Candente Copper
Faisel Hussein has over fifteen years of finance and operations experience. Since 2010, he has been a Principal at Public Infrastructure Partners LLC (PIP), an operating platform and principal investor in the mining and energy sectors with offices in Toronto, New York, Houston, and Charlotte. From 2006 to 2010, Mr. Hussein was an investment banker with RBC Capital Markets where he co-founded the Los Angeles investment banking office, expanded the firm’s global footprint, and executed cross-border M&A and capital markets transactions. Prior to 2006, Mr. Hussein advised international governments regarding privatizations, large-scale utility operations restructurings, and bi-lateral donor agency investments. Mr. Hussein began his career as an investment banker in the NYC offices of Salomon Brothers. Mr. Hussein serves as a Trustee for the Emory University Service Award and has been a guest lecturer at Tshinghua University in Beijing. He received his MBA with Stern Alumni Scholar distinction from NYU and BBA from Emory University with Dean’s List Honors.
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About Candente Copper, Candente Gold: Candente Copper is a Canadian mining company specializing in metals such as gold, silver, copper, and zinc.
Kathy Barrens
Chief Financial Officer of The Rawlings Group
Kathy oversees finance operations, including the processing and reporting of recovery transactions for the five operating divisions. Kathy also serves as the Executive Sponsor for newly-implementing clients. Prior to joining Rawlings in 1998, Kathy was the chief auditor for a major life and health insurance company, and for a public accounting firm. Kathy graduated with honors from the University of Kentucky.
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About The Rawlings Group: The Rawlings Group is the nation’s leading provider of data mining claims recovery services.
Marie Ann Stewart
President / CFO/ Managing Member of Exporting Commodities International
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About Exporting Commodities International: Exporting Commodities International exporting & Importing coking coal to global consumer steelmakers.
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.
Jeffrey F. Winnick
Vice President and Chief Financial Officer of Armstrong Energy
Mr. Winnick is the Vice President and Chief Financial Officer for Armstrong Energy. Prior to that appointment in September 2015, he served as Armstrong Energy’s Vice President and Controller since he joined Armstrong Energy in July 2011. Previously, Mr. Winnick served in various capacities with Ernst & Young LLP, an international public accounting firm, for over 13 years. While with Ernst & Young LLP, Mr. Winnick’s responsibilities included assurance services primarily related to SEC registrants, including annual audits of financial statements and internal controls, public debt offerings and IPO transactions. Mr. Winnick is a Certified Public Accountant and holds a B.S. degree in Accounting and Management from Washington University in St. Louis.
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About Armstrong Energy: Armstrong Energy is a mining and metals company.
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.
Jeff Jacobs
Chief Financial Officer of Kingland
Jeff Jacobs is the Chief Financial Officer at Kingland Systems.
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About Kingland: Kingland is a managed solution provider of enterprise-class data, analytics, cognitive and work automation software.
Robert D. Scherich
VP & CFO of Horsehead Holding
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About Horsehead Holding: Horsehead Holding is the largest zinc producer in the United States and the leading manufacturer.

Nancy Davies
Vice President, Finance & CFO of Tree Island Steel
Ms. Nancy Davies joined Tree Island Steel Ltd. in 2008 and became VP Finance and CFO in 2011. Prior to joining Tree Island, she was Vice President Internal Audit at CHC Helicopter Corporation and held previous positions at Placer Dome Inc. and Ernst & Young. She has over 20 years of experience in finance, accounting, audit and tax, with many types of companies ranging from multi-nationals to small privately owned companies. Ms. Davies is a Chartered Accountant, articling with Ernst & Young, and received her Bachelor of Business Administration from Simon Fraser University.
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About Tree Island Steel: Tree Island Steel has grown to largest producers and global supplier of premium steel wire and wire products.
Christopher O’Brian
Head of Finance & Administration/CFO of PrecisionGx
Chris currently serves as both the Head of Finance & Administration/CFO of PrecisionGx, an AI-technology company specializing in health insurance claims analytics and payment integrity automation, and the Founder of OBrian CFO Consulting Group. An experienced CFO with broad exposure working with pre-B stage start-ups and other small businesses and organizations, Chris primarily serves the AI, healthcare, SaaS and not-for-profit sectors. Since 2016, Chris has either worked or consulted on Seed and Series-A fundraising campaigns, having secured >$7.5M from Angels, institutions and non-profit donors. As an intellectually curious person, Chris is passionate about solving complex problems and making a real impact. In addition to his professional work, he also sits on the board of directors of the Bobby Bonds Memorial Foundation, a 501(c)(3) that helps raise funds to put towards addiction/alcoholism awareness and treatment sponsorships.
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About O’Brian CFO Consulting Group, PrecisionGx, PrecisionGx: Health insurance-native AI technology
Roger Johnson
Chief Financial Officer of Gatos Silver
Roger Johnson is the Chief Executive Officer of Sunshine Silver Mining & Refining.
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About Gatos Silver: Gatos Silver is a mining company operating mainly in the mining and metals sector.
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.
Larry J. Thackery
CFO of Thunder Mountain Gold
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About Thunder Mountain Gold: Thunder Mountain Gold is an exploration company that focus on the generation of precious and base metal projects.
Michael O’Brien
CFO of Altamira Gold
Michael O’Brien is the CFO at Altamira Gold.
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About Altamira Gold: Altamira Gold focuses on the exploration and development of gold projects.

Peter Williams
CFO of Ninja Metrics
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About Ninja Metrics: Ninja Metrics offers a social analytics engine that allows companies to measure the key influencers in their social game or mobile app.
Jeffrey Gutman
Chief Financial Officer of Riley Permian
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About Riley Permian: Riley Permian is focused on high-growth energy exploration opportunities in the Permian Basin.
Jeffrey Gutman
Chief Financial Officer of Riley Permian
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About Riley Permian: Riley Permian is focused on high-growth energy exploration opportunities in the Permian Basin.
Rick T. Dillon
EVP & CFO of Century Aluminum
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About Century Aluminum: Century Aluminum is a primary aluminium producer, supplying standard-grade, high-purity and value-added primary aluminum products.