Ronald F. Lehman II, Co-chair, is the director of the Center for Global Security Research at Lawrence Livermore National Laboratory (LLNL) and also chairman of the Governing Board of the International Science and Technology Center. He serves on the Department of Defense (DOD) Threat Reduction Advisory Committee, and served on the Defense Science Board Task Forces on Globalization and Security and on Tritium, and on the National Research Council’s Committee on Science, Technology, and Health Aspects of the Foreign Policy Agenda of the United States. In 1995, President William J. Clinton appointed him to the five-member President’s Advisory Board on Arms Proliferation Policy. From 1989 to 1993, he was director of the U.S. Arms Control and Disarmament Agency. Previously, he served as assistant secretary of defense for International Security Policy, Department of State’s U.S. chief negotiator on Strategic Offensive Arms, and deputy assistant to the President for National Security Affairs. He has also served as a senior director at the National Security Council (NSC), and senior professional staff of the Senate Armed Services Committee (SASC). Additionally, he headed the U.S. Delegations to the Fourth Review Conference of the Nonproliferation Treaty and the Third Review Conference of the Biological Weapons Convention, and also served as deputy head of delegation for the Chemical Weapons Convention signing.
Robert B. Barker retired from LLNL in 1999 after 30 years of service. He was a nuclear weapons designer and held several managerial positions, including assistant to the director. From 1986 to 1992, he served as assistant to the secretary of defense for Atomic Energy. Prior to this, he was deputy assistant director of the Bureau of Verification and Intelligence at the Arms Control and Disarmament Agency, 1983-1985. Dr. Barker also worked at the LLNL as assistant associate director for arms control, 1982-1983; special projects division leader, 1978-1982; and evaluation and planning division leader, 1973-1978. He has also served on the National Security Advisory Council.
William F. Burns (U.S. Army Major General, retired) is a former director of the U.S. Arms Control and Disarmament Agency and former commandant of the U.S. Army War College. He led the U.S. delegation on Safety, Security, and Dismantlement of nuclear weapons, serving as ambassador in negotiations on the denuclearization of the former Soviet Union. He is a distinguished fellow at the Army War College and serves on several panels, advisory boards, and boards of trustees of governmental and nonprofit organizations. He is judge emeritus of the Court of Judicial Discipline of Pennsylvania. General Burns co-chaired a National Academies’ study on overcoming impediments to U.S.-Russian cooperation on nuclear nonproliferation and retired at the end of 2007 from the Committee on International Security and Arms Control (CISAC).