Sam Nunn is cochairman and chief executive officer of the Nuclear Threat Initiative (NTI). He served as a U.S. senator from Georgia for 24 years, from 1972 to 1996. In addition to his work with NTI, he has continued his service in the public policy arena as a distinguished professor in the Sam Nunn School of International Affairs at Georgia Tech in Atlanta and as chairman of the board of the Center for Strategic and International Studies in Washington, D.C. Nunn attended Georgia Tech, Emory University, and Emory Law School, where he graduated with honors in 1962. After active duty service in the U.S. Coast Guard, he served six years in the U.S. Coast Guard Reserve. He first entered politics as a member of the Georgia House of Representatives in 1968. During his tenure in the U.S. Senate, Nunn served as chairman of the Senate Armed Services Committee and the Permanent Subcommittee on Investigations. He also served on the Intelligence and Small Business Committees. His legislative achievements include the landmark Department of Defense Reorganization Act, drafted with the late Senator Barry Goldwater, and the Nunn-Lugar Cooperative Threat Reduction Program, which provided assistance for more than 20 years to Russia and the former Soviet republics for securing and destroying their excess nuclear, biological, and chemical weapons.