William J. Durch is a Distinguished Fellow with the Stimson Center. Prior to joining Stimson in 1990, Durch served as a Foreign Affairs Officer with the U.S. Arms Control and Disarmament Agency, as a Research Fellow at the Harvard Center for Science and International Affairs, and as Assistant Director of the Defense and Arms Control Studies program at the Massachusetts Institute of Technology.

Since joining Stimson, he has been seconded as a Scientific Adviser to the U.S. Defense Threat Reduction Agency, and served as Project Director for the landmark Panel on United Nations Peace Operations (the Brahimi Report, August 2000). Durch also serves as a consultant to the International Forum on Challenges of Peace Operations and for the United Nations on projects focused on improving the effectiveness of peacekeeping at headquarters and in the field. He has taught courses on international organization and peacekeeping at the School of Advanced International Studies, Johns Hopkins University; at the School of Foreign Service, Georgetown University; and the Elliott School of International Affairs, George Washington University.

Durch holds a Ph.D from MIT (Political Science/Defense Studies), an M.A. from George Washington University, and BSFS from Georgetown University.