Born on January 1, 1949, Robert G. Joseph is an American diplomat and nonproliferation expert who served as Under Secretary of State for Arms Control and International Security. After that tenure, he was appointed United States Special Envoy for Nuclear Nonproliferation with ambassadorial rank. Joseph played a key role in establishing the Proliferation Security Initiative and architecting the Global Initiative to Combat Nuclear Terrorism. In 2003, he led U.S. negotiations with Libya, convincing them to dismantle their weapons of mass destruction programs, an experience detailed in his book 'Countering WMD'. Currently, Joseph is a senior scholar at the National Institute for Public Policy (since 2005), director of the Center for Counterproliferation Research at the National Defense University, and a faculty member at the National War College. He has appeared on C-SPAN discussing proliferation strategy and homeland defense. Pursuant to the Foreign Agents Registration Act (FARA), he is registered as working on behalf of the National Council of Resistance of Iran.