Dr. Cohen, widely known for his path-breaking history of the Israeli nuclear program, is an internationally recognized author and expert on nonproliferation issues, focusing on the Middle East. A consultant to a range of NGOs and governmental agencies, Dr. Cohen is a Senior Fellow at the James Martin Center for Nonproliferation Studies (CNS), Director of the CNS Nonproliferation Education Program, and a Professor in the Graduate School of International Policy and Management. Previously he served as a Public Policy Scholar at the Woodrow Wilson International Center for Scholars (2009-2010) and held a ten-year affiliation with the Center for International and Security Studies (CISSM) at the University of Maryland.

Dr. Cohen is a two-time winner of prestigious MacArthur Foundation research and writing awards, in 1990 and 2004, and in 1997-98 and 2007-08, was a Senior Fellow at the United States Institute of Peace (USIP). In addition, Dr. Cohen was co-director of the Project on Nuclear Arms Control in the Middle East at the Security Studies Program at MIT from 1990 to 1995. He has been a visiting professor at a number of U.S. universities, and in 2005, was Forchheimer Visiting Professor at the Hebrew University.

Dr. Cohen holds a B.A. in Philosophy and History from Tel Aviv University, an M.A. in Philosophy from York University, and a Ph.D. from the Committee on History of Culture of the University of Chicago (1981).