I am an Associate Professor at Georgetown University, with a joint appointment in the Department of Government and the School of Foreign Service.

My academic work covers issues in international-relations theory, American foreign policy, power politics, the politics of religious contention, and the relationship between popular culture and world politics. My book, The Struggle for Power in Early Modern Europe: Religious Conflict, Dynastic Empires, and International Change (Princeton University Press, 2009), won the International Security Studies Section (ISSS) Best Book Award for 2010.

I have held fellowships at Stanford University’s Center for International Security and Cooperation and at the Ohio State University’s Mershon Center for International Studies.During 2009-2010, I worked in the U.S. Department of Defense as a Council on Foreign Relations International Affairs Fellow. From 2014-2018, I was the lead editor of International Studies Quarterly