Siegfried S. Hecker is senior fellow emeritus at the Center for International Security and Cooperation (CISAC) at Stanford University. Hecker was co-director of CISAC from 2007-2012. He served as the fifth director of the Los Alamos National Laboratory from 1986-1997. Hecker received his B.S., M.S., and Ph.D. degrees in metallurgy from Case Western Reserve University. His current professional interests include nuclear weapons policy, plutonium research, global nuclear risk reduction with Russia, China, Pakistan, India, North Korea and Iran, the safety and security implications of the global expansion of nuclear energy, and threats of nuclear terrorism. Dr. Hecker has visited North Korea seven times. In 2016, he published two edited volumes of “Doomed to Cooperate” documenting the history of Russian-U.S. laboratory-to-laboratory nuclear cooperation since 1992.

Dr. Hecker’s honors include being a member of the U.S. National Academy of Engineering and foreign member of the Russian Academy of Sciences. Among other awards, he received the Presidential Enrico Fermi Award and the American Nuclear Society’s Eisenhower Medal.