FAS staff and affiliates come from a variety of scientific and academic backgrounds. With professional experience in aeronautical engineering, biology, environmental science, government, physics, nuclear engineering, law, and political science, our experts work to provide technical and skilled analysis on a variety of catastrophic threats to security.
Steven Aftergood
Staff
Steven Aftergood is the Director of the Government Secrecy Project at FAS.
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Christopher Bidwell
Affiliate
Chris Bidwell is a Senior Fellow for Nonproliferation Law and Policy at FAS.
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Charles D. Ferguson
Staff
Charles D. Ferguson is the President of the Federation of American Scientists.
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Frankie Guarini
Staff
Frankie Guarini is the Membership, Marketing, and Communications Manager at FAS.
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Martin Hellman
Affiliate
Martin Hellman is an Adjunct Senior Fellow for Nuclear Risk Analysis at FAS.
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Hans Kristensen
Staff
Hans Kristensen is the Director of the Nuclear Information Project at FAS.
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Bruce MacDonald
Affiliate
Bruce MacDonald is an Adjunct Senior Fellow for National Security Technology at FAS.
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Jenifer Mackby
Affiliate
Jenifer Mackby is a Senior Fellow for International Security at FAS.
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Paul Sullivan
Affiliate
Paul Sullivan is an Adjunct Senior Fellow for Future Global Resources Threats.
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