Jason Lyall, Ph.D., Cornell University, is currently associate professor of political science at Yale University. He is also affiliated with the Institution for Social and Policy Studies (ISPS), the Jackson Institute for Global Affairs, and the MacMillan Center for International and Area Studies. He is currently working on three projects: the sources of military effectiveness in conventional wars since 1800; how state violence affects public attitudes and insurgent violence in Afghanistan and Russia's Northern Caucasus; and the effectiveness of airpower in “small wars." He has conducted field research in Afghanistan and Russia. His work has been published in the American Political Science Review, Foreign Affairs, International Organization, Journal of Conflict Resolution, and World Politics. He has received the 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. His research has been supported by the Air Force Office of Scientific Research, the United States Institute for Peace and the Macarthur Foundation, among others. 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 University. His personal website can be found at www.jasonlyall.com.