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Elliot Ackerman
John Beyrle
John Bruno
Bob Bunting
Katharine Donato
Toshiko Kaneda
Charles Kupchan
Ellen Laipson
Charles Lane
Keir Lieber
Sean McFate
Mohsen Milani
Jeffrey Moon
Frank Ostroff
Shelly Rigger
Dennis Ross
Eric Rubin
Jeremy Shapiro
Jeremy Suri
John Tefft
Daniel Tichenor
Lina Tori Jan
Martin Walker
Wendy Whitman Cobb

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Dr. Keir Lieber is a Professor in Georgetown University's School of Foreign Service and Department of Government. He served as Director of the Security Studies Program from 2018 to 2022. Dr. Lieber's research and teaching interests include nuclear weapons, deterrence, and strategy; technology and the causes of war; U.S. national security policy; and international relations theory. He is co-author of The Myth of the Nuclear Revolution: Power Politics in the Atomic Age (2020); author of War and the Engineers: The Primacy of Politics over Technology (2005); and editor of War, Peace, and International Political Realism.

Dr. Lieber's articles have appeared in leading scholarly and foreign policy publications, including International Security, Security Studies, Foreign Affairs, and The Atlantic. He has been awarded major fellowships from the Brookings Institution, Carnegie Corporation of New York, Council on Foreign Relations, and Smith Richardson Foundation.

Dr. Lieber received his M.A. and Ph.D. from the University of Chicago and his B.A. from the University of Wisconsin.