The authoritative guide to ensuring science and technology make life on Earth better, not worse.


Leonard Weiss

Leonard Weiss is a visiting scholar at Stanford University’s Center for International Security and Cooperation and a member of the National Advisory Board of the Center for Arms Control and Nonproliferation in Washington, DC. For more than 20 years, he worked in the US Senate as Sen. John Glenn’s staff director on the Governmental Affairs Committee, writing legislation and leading investigations in the areas of nuclear proliferation and nuclear safety. He was the lead Senate staffer on the Nuclear Nonproliferation Act of 1978 and the Glenn Amendment to the Foreign Assistance Act of 1961. He is a former tenured professor of applied mathematics and engineering at Brown University and the University of Maryland.