His research has been published in the American Political Science Review, American Journal of Political Science, International Organization, Journal of Conflict Resolution, Journal of Peace Research, Journal of Politics, and World Politics, among others. His completed book manuscript, Paths of Ruin: How Military Inequality Explains Battlefield Performance, is currently under review. His research and commentary has also appeared in the New York Times, Washington Post, Foreign Affairs, The Monkey Cage, Deutsche Welle, Nezavisimaya Gazeta, Newsweek, and The Wire, among others.
His research has been funded by AidData/USAID, the Air Force Office of Scientific Research, the MacArthur Foundation, and the United States Institute of Peace. He has received the 2013 Pi Sigma Alpha Award; 2009 Kellogg-Notre Dame Award; the 2007 APSA Helen Dwight Reid Prize for Best Dissertation in International Relations, Law, and Politics; and the 2007 Stanley Kelley Jr. Prize for Teaching Excellence in Princeton University’s Politics Department. He has been a postdoctoral fellow at Harvard’s Olin Institute for Strategic Studies, a visiting scholar at the European University at St. Petersburg, Russia, and a research fellow at the Counterinsurgency Training Center in Afghanistan (CTC-A). He previously taught at Princeton.