PEOPLE
John S. Park
Associate, Project on Managing the Atom
John S. Park is the Stanton Nuclear Security Junior Faculty Fellow at MIT. He previously directed Northeast Asia Track 1.5 projects at the U.S. Institute of Peace in Washington, D.C.
Terence Roehrig
Research Fellow, International Security Program/Project on Managing the Atom
Terence Roehrig's research focuses on the U.S. nuclear umbrella for Japan and South Korea and extended deterrence. He is Professor of National Security Affairs and the Director of the Asia-Pacific Studies Group at the U.S. Naval War College.
Anthony Wier
Former Research Associate, Project on Managing the Atom/Science, Technology, and Public Policy Program, 2002-2007
Micah Zenko
Former Research Assistant to Graham Allison, 2003–2006; Former Research Associate, Project on Managing The Atom, 2006–2008
Hui Zhang
Senior Research Associate, Project on Managing the Atom
Hui Zhang is a Senior Research Associate in the Project on Managing the Atom at the Belfer Center. His research includes verification techniques of nuclear arms control, the control of fissile material, nuclear terrorism, China’s nuclear policy, nuclear safeguards and non-proliferation, policy of nuclear fuel cycle and reprocessing.
Tom Bielefeld
Associate, Project on Managing the Atom
Tom Bielefeld is a physicist specializing in security policy research and analysis. He is currently pursuing a doctorate in physics with the University of Bremen on "Studies in Nuclear Security: Preventing and Preparing for Nuclear and Radiological Terrorism."
Matthew Bunn
Associate Professor of Public Policy; Co-Principal Investigator, Project on Managing the Atom
Member of the Board
Matthew Bunn is an Associate Professor at Harvard University's John F. Kennedy School of Government. His research interests include nuclear theft and terrorism; nuclear proliferation and measures to control it; and the future of nuclear energy and its fuel cycle.
Ashton B. Carter
Former Co-Director, Preventive Defense Project, Harvard & Stanford Universities
Former Chair of International & Global Affairs faculty, John F. Kennedy School of Government, Harvard University
Former Assistant Secretary of Defense for International Security Policy (1993–1996), U.S. Department of Defense
Member of the Board (on leave), Belfer Center for Science & International Affairs
Former Under Secretary of Defense for Acquisition, Technology, and Logistics (April 2009–October 2011)
Dr. Ashton B. Carter is on leave to serve as Deputy Secretary of Defense.
Olli Heinonen
Senior Fellow, Belfer Center for Science and International Affairs
Before joining the Belfer Center as a senior fellow in August 2010, Olli Heinonen spent 27 years at the International Atomic Energy Agency in Vienna. Heinonen spent the last five years as Deputy Director General of the IAEA, and head of its Department of Safeguards.

