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About the Four

George Shultz

George P. Shultz

George Shultz has had a distinguished career in government, in academia, and in business. He has held four different cabinet posts, has taught at three of the United States' greatest universities, and was president of a major engineering and construction company. Mr. Shultz held two key positions in President Reagan's administration: Chairman of the President's Economic Policy Advisory Board (1981-1982) and Secretary of State (1982-1989). Read full bio »

William Perry

William J. Perry

William J. Perry, a senior fellow at the Hoover Institution, is the Michael and Barbara Berberian Professor at Stanford University, with a joint appointment in the School of Engineering and the Institute for International Studies, where he is codirector of the Preventive Defense Project, a research collaboration of Stanford and Harvard Universities. Perry was the 19th United States secretary of defense, serving from February 1994 to January 1997. Read full bio »

Henry Kissinger

Henry A. Kissinger

Henry A. Kissinger served as the 56th U.S. secretary of state, from 1973 to 1977. He also served as assistant to the president for national security affairs from 1969 to 1975. In 1983, he was appointed by President Ronald Reagan to chair the National Bipartisan Commission on Central America, until it ceased operation in January 1985, and from 1984 to 1990 he served as a member of the President’s Foreign Intelligence Advisory Board. Read full bio »

Sam Nunn

Sam Nunn

Sam Nunn is Co-Chairman and Chief Executive Officer of the Nuclear Threat Initiative, a charitable organization working to reduce the global threats from nuclear, biological and chemical weapons. He represented the state of Georgia for 24 years (1972-1996) in the U.S. Senate, where he served as Chairman of the Senate Armed Services Committee and the Permanent Subcommittee on Investigations and on the Intelligence and Small Business Committees. Read full bio »