People
Dr. Ashton B. Carter
Co-Director, Preventive Defense Project (on leave), Harvard & Stanford Universities
Chair of International & Global Affairs faculty (on leave), 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
Dr. Ashton B. Carter is on leave from the Harvard Kennedy School to serve as Under Secretary of Defense for Acquisition, Technology and Logistics.
Melissa Chan
Research Fellow, Energy Research, Development, Demonstration & Deployment Policy Project, Energy Technology Innovation Policy research group
Melissa Chan earned her Ph.D. in Engineering and Public Policy from Carnegie Mellon (2008). Her contribution to the Energy Research, Development, Demonstration & Deployment (ERD3) Policy project will be a set of federal R&D budgets and technology portfolios that can reduce U.S. greenhouse gas emissions.
Ho-Kun Chang
Research Fellow, International Security Program/Project on Managing the Atom
Major General Ho-Kun Chang retired from the Republic of Korea Air Force and is currently a senior fellow at the Korea Institute for Crisis Management Analysis in Seoul, Korea. He recently published a book titled Preventive Diplomacy: The Cases on the Missed and Seized Opportunities on the Korean Peninsula Focusing on Early Warning (in Korean).
Ananth Chikkatur
Associate, Energy Technology Innovation Policy
Dr. Chikkatur's current research interests include implementing cleaner coal technologies and advanced biomass gasifiers in India, rural electrification, and international climate change.
William Clark
Harvey Brooks Professor of International Science, Public Policy, and Human Development; Co-director, Sustainability Science Program; Faculty Chair, ENRP;
Member of the Board, Belfer Center for Science and International Affairs
William C. Clark is the Harvey Brooks Professor of International Science, Public Policy and Human Development. Trained as an ecologist, his research focuses on the interactions of environment, development and security concerns in international affairs, with a special emphasis on the role of science and technology in shaping those interactions.

