Keir A Lieber

Keir A. Lieber is a Professor at Georgetown University, holding dual appointments in the Edmund A. Walsh School of Foreign Service and the Department of Government. His research focuses on nuclear strategy, deterrence, technology’s role in warfare, and U.S. national security policy. He co-authored The Myth of the Nuclear Revolution and authored War and the Engineers, exploring how political decisions outweigh technological determinism. Lieber’s work appears in International Security, Foreign Affairs, and other leading journals. He has received major fellowships from institutions like the Brookings Institution and the Council on Foreign Relations.

Education: Ph.D. and M.A. in Political Science from the University of Chicago; B.A. in Political Science and International Relations from the University of Wisconsin-Madison. A proud alumnus of D.C. public schools, Lieber emphasizes interdisciplinary approaches to security studies.

His research interests span nuclear deterrence theory, the impact of emerging technologies on conflict, and the evolution of U.S. defense strategies. Recent work addresses nuclear tripolarity and the challenges of escalation control in modern conflicts. Awards include recognition for his contributions to international relations scholarship and policy analysis.

Lieber’s academic contributions include co-editing volumes on realism and advising on national security policy. Grants and fellowships have supported his exploration of topics like cyber warfare and nuclear non-proliferation.