Ambassador Thomas Graham Jr. is a former senior U.S. diplomat. Graham was involved in the negotiation of every single international arms control and non-proliferation agreement from 1970 to 1997. This includes the Strategic Arms Limitation Talks (SALT Treaties), the Strategic Arms Reduction Treaties (START Treaties), the Anti-ballistic missile (ABM) Treaty, Intermediate-Range Nuclear Forces Treaty (INF) Treaty, Treaty on the Non-Proliferation of Nuclear Weapons Treaty (NPT), Treaty on Conventional Armed Forces in Europe (CFE) Treaty and Comprehensive Nuclear-Test-Ban Treaty (CTBT). In 1993, Ambassador Graham served as Acting Director of the Arms Control and Disarmament Agency (ACDA) from January to November, 1993 and Acting Deputy Director from November, 1993 to July, 1994. From 1994 through 1997, he was president Bill Clinton's special representative for Arms Control, Non-Proliferation, and Disarmament. Graham successfully led the U.S. government efforts to achieve the permanent extension of the NPT in 1995. Graham also served for 15 years as the general counsel of ACDA. Throughout his career, Thomas Graham has worked with six U.S. Presidents including Presidents Richard Nixon, Gerald Ford, Jimmy Carter, Ronald Reagan, George H. W. Bush, and Bill Clinton. Ambassador Graham worked on the negotiation of the Chemical Weapons Convention and the Biological Weapons Convention and managed the Senate approval of the ratification of the Geneva Protocol banning the use of chemical and biological weapons in war, as well as the Biological Weapons Convention.