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 Columbia based CFO’ operating in the National Security 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.

James C. Reagan
Chief Financial Officer of Leidos holdings
Jim Reagan is Executive Vice President and Chief Financial Officer (CFO) of Leidos. Reagan oversees all financial activities of the company, including accounting and financial reporting, treasury, tax, planning and analysis, and investor relations. Reagan is a well-rounded senior finance executive with progressive experience in large, publicly held companies. Prior to joining Leidos in 2015, he served as Senior Vice President and CFO of Vencore, Inc. (formerly The SI Organization, Inc.), a provider of information solutions, and engineering and analysis services to the U.S. Intelligence Community, Department of Defense, and federal and civilian agencies. Reagan has also served as CFO of PAE, Inc., Vangent, Inc., Deltek, Inc., Aspect Communications, and American Management Systems. He began his career at PricewaterhouseCoopers LLP. Reagan received a master’s degree in business administration from Loyola College in Baltimore, Md., as well as a bachelor’s degree in business administration from the College of William and Mary in Williamsburg, Va. He is a Certified Public Accountant and a member of the American Institute of Certified Public Accountants and the Virginia Society of Certified Public Accountants.
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About Leidos holdings: Leidos holdings is a provider of scientific, engineering, systems integration and technical services and solutions.

Mark Simione
Senior Vice President, Chief Financial & Administrative Officer, and Treasurer of Noblis
As Senior Vice President, Chief Financial and Administrative Officer and Treasurer, Simione is responsible for all of the financial, operating and administrative activities within the corporation. He also serves as the trustee of the Noblis pension plan. Prior to working at Noblis, Simione was with The MITRE Corporation where he held several management positions. Simione serves on the Board of Trustees for Noblis and on the Board of Directors for AllCom Global Services. He is a current member and former president of the Board of Trustees of United Cerebral Palsy of Washington, D.C. and Northern Virginia. He is a member of the CFA Institute, the Washington Society of Investment Analysts, and The Association for Corporate Growth. Simione holds the Chartered Financial Analyst (CFA) designation.
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About Noblis: Noblis is a nonprofit science, tech strategy organization that works in the public interest to help clients solve most complex problems.
Gina Arsens
CFO of Ideon Technologies
Gina Arsens is the CFO at Ideon Technologies.
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About Ideon Technologies: Ideon Technologies is a world pioneer in the application of cosmic-ray muon tomography.
Tim Rosado
Chief Financial & Administrative Officer of International Trade Administration
Tim Rosado is Chief Financial & Administrative Officer at International Trade Administration.
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About International Trade Administration: International Trade Administration is an agency in the United States Department of Commerce.

Jackie Taladay
CFO of Government Sales Specialists
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About Government Sales Specialists: Government Sales Specialists provides a federal-facing turn-key, outsourced federal sales team for technology and services companies.