Core Faculty

Keir Lieber

Keir Lieber

Director of the Center for Security Studies and the Security Studies Program; Associate Professor
Specializations: Causes of war; Nuclear Weapons, Deterrence, and Strategy; U.S. foreign policy; and International Relations Theory
Elizabeth Grimm Arsenault headshot

Elizabeth Grimm Arsenault

Visiting Assistant Professor, Director of Teaching 
Specializations: Terrorism, Insurgency, International Law, U.S. National Security, Intelligence, International Relations
Ben Buchanan

Ben Buchanan

Assistant Teaching Professor
Specializations: Intersection of cybersecurity and statecraft
Daniel Byman

Daniel Byman

Professor
Specializations: Terrorism, Middle East, Iraq, Israel, Hamas, Al Qaeda, National Security
David Edelstein

David Edelstein

Associate Professor
Specializations: International security, international relations theory, and U.S. foreign policy
Christine Fair

C. Christine Fair

Provost's Distinguished Associate Professor
Specializations: South Asia, Pakistan, Afghanistan, India, Bangladesh, Sri Lanka, Islamist militancy, insurgency, counter-insurgency, public opinion, public support for militancy
Bruce Hoffman

Bruce Hoffman

Professor
Specializations: Terrorism and Counterterrorism; Insurgency and Counter-insurgency
Oriana Skylar Mastro

Oriana Skylar Mastro

Assistant Professor
Specializations: China security and military policy, strategic studies and international relations in the Asia-Pacific, coercive diplomacy, military transparency, U.S. military posture in Asia, Chinese military modernization, patterns in Chinese foreign policy, and the effects of economic liberalism in Asia
Rebecca Patterson

Rebecca Patterson

Professor of the Practice, Associate Director of the Center for Security Studies and the Security Studies Program
Specializations: Civil-Military Relations, Nation-Building, Peacekeeping, and Post-Conflict Economics
Kim Roberts

Kim Roberts

Professor of the Practice, Director of Graduate Studies
Specializations: International Relations Theory, Foreign Policy Decision-making, Non-state Actors in the International System, the Role of Multinational Corporations in Global Policy, and Legislative Affairs