FAS staff comprise a highly skilled and dedicated team with professional experience in biology, biochemistry, chemistry, environmental science, nuclear engineering, physics, and political science. More than 65 Nobel science laureates have endorsed FAS as members of the Board of Sponsors.


Steven Aftergood

Steven Aftergood is the Director of the Government Secrecy Project at FAS.

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Hans M. Kristensen

Hans Kristensen

Hans Kristensen is the Director of the Nuclear Information Project at FAS.

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Kevin Feltz

Kevin Feltz is the Financial Controller and Office Manager at FAS.

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Pia Ulrich

Pia Ulrich is an International Nuclear Policy Analyst at FAS.

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Charles D. Ferguson

Charles D. Ferguson is the President of the Federation of American Scientists.

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