BROWSE EXPERTS AND FELLOWS
Belfer Center researchers include Harvard faculty members, project directors and other expert staff, senior fellows and fellows. They contribute frequently to outside publications, advise government officials, participate in special commissions, brief journalists and policymakers, and share research results with specialists and the public.
LEGEND: 
Fellow
Dara Kay Cohen
Assistant Professor of Public Policy, Harvard Kennedy School
Faculty, International Security Program
Member of the Board,, Belfefr Center for Science and International Affairs
Dara Kay Cohen's research and teaching interests span the field of international relations, including international security, civil war and the dynamics of violence during conflict, and gender and international relations. Her current book project examines the variation in the use of sexual violence during recent civil conflicts.
Walt Cooper
Belfer Ph.D Fellow, Belfer Center for Science and International Affairs
Walt Cooper is a Major in the United States Army and a PhD student in the Government Department at Harvard.
Ethan Corbin
Research Fellow, International Security Program
Ethan Corbin is a Ph.D. candidate in the International Security Studies Program at the Fletcher School of Law and Diplomacy at Tufts University. He has published on topics ranging from Syrian foreign policy, peacekeeping operations, and insurgency and counter-insurgency warfare.
Ishac Diwan
Lecturer in Public Policy, Middle East Initiative
Ishac Diwan is a lecturer on public policy at the Harvard Kennedy School of Government and is the director for Africa and the Middle East at the growth lab of the Center for International Development.
Paula J. Dobriansky
Senior Fellow, Belfer Center for Science and International Affairs
Dr. Paula J. Dobriansky is a Senior Fellow at Harvard University’s JFK Belfer Center for Science and International Affairs and Chair of the National Board of Directors of the World Affairs Councils of America. From 2010-2012, she was Senior Vice President and Global Head of Government and Regulatory Affairs at Thomson Reuters.
Ryan Ellis
Postdoctoral Research Fellow, Science, Technology, and Public Policy Program/Information and Communications Technology and Public Policy Project
Ryan Ellis writes and researches on topics related to cybersecurity, infrastructure politics, homeland security, and communication law and policy. He holds a Ph.D. in communication from the University of California, San Diego.
Troy Endicott
Research Fellow, International Security Program
Troy Endicott is a National Defense Fellow and lieutenant colonel in the United States Air Force with over eighteen years of military service. He recently commanded a space operations support squadron in Colorado and has served in a variety of staff officer positions around the globe with duty in Italy, Iraq, Turkey, and the Arabian Peninsula.
Tytti Erästö
Stanton Nuclear Security Postdoctoral Fellow, International Security Program/Project on Managing the Atom
Tytti Erästö has a Ph.D. in International Relations from Tampere University, Finland. Her interests include nonproliferation, nuclear disarmament, Middle East politics, conflict management, and English School theory.
Martin Feldstein
George F. Baker Professor of Economics at Harvard University
Member of the Board, Belfer Center for Science and International Affairs
Martin Feldstein is the George F. Baker Professor of Economics at Harvard University and president emeritus of the National Bureau of Economic Research.
