Keir Lieber is a nonresident senior fellow in the Forward Defense practice of the Atlantic Council’s Scowcroft Center for Strategy and Security. Lieber is also the director of the Center for Security Studies and Security Studies Program and a professor in the School of Foreign Service and Department of Government at Georgetown University.

Lieber’s research and teaching interests include nuclear weapons, deterrence, and strategy; technology and the causes of war; US national-security policy; and international-relations theory. He is co-author, with Daryl Press, of The Myth of the Nuclear Revolution: Power Politics in the Atomic Age; author of War and the Engineers: The Primacy of Politics over Technology; and editor of War, Peace, and International Political Realism. His articles have appeared in leading scholarly and foreign-policy publications, including International Security, Security Studies, Foreign Affairs, and the Atlantic Monthly.

Lieber received his PhD and MA in political science from the University of Chicago and his BA in political science and international relations from the University of Wisconsin-Madison. He has been awarded major fellowships from the Brookings Institution, Carnegie Corporation of New York, Council on Foreign Relations, Earhart Foundation, MacArthur Foundation, and Smith Richardson Foundation.