Professor, UC San Diego Department of Economics

Dean and Sydney Stein Professor, Harris School of Public Policy, University of Chicago

William J. Perry Fellow at the Center for International Security and Cooperation

Executive Director of the Empirical Studies of Conflict Project and Lecturer with Rank of Professor

Associate Professor of Political Science, University of California, Berkeley

Associate Professor of Political Science, Emory University

Professor of Politics and International Affairs at Princeton University

Associate Professor of Public Policy, Harris School of Public Policy, University of Chicago