Erik Gartzke is Professor of Political Science and Director of the Center for Peace and Security Studies at the University of California, San Diego, where he has been a member of the research faculty since 2007. He is a co-editor of Nonproliferation Policy and Nuclear Posture (with Neil Narang and Matthew Kroenig) and Causes and Consequences of Nuclear Proliferation (with Robert Rauchhaus and Matthew Kroenig).