George P. Shultz is the Thomas W. and Susan B. Ford Distinguished Fellow at the Hoover Institution. He was sworn in on July 16, 1982, as the sixtieth US secretary of state and served until January 20, 1989. In January 1989, he rejoined Stanford University as the Jack Steele Parker Professor of International Economics at the Graduate School of Business and as a distinguished fellow at the Hoover Institution.
William Perry is a senior fellow at the Hoover Institution and the Freeman Spogli Institute of International Studies. He is the Michael and Barbara Berberian Professor at Stanford University and serves as codirector of the Nuclear Risk Reduction initiative and the Preventive Defense Project. He is an expert in US foreign policy, national security, and arms control. Perry was the nineteenth secretary of defense for the United States, serving from February 1994 to January 1997.
Sam Nunn is an Annenberg Distinguished Visiting Fellow at the Hoover Institution (2012–13) and cochairman 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 served as a United States senator from Georgia for twenty-four years (1972–96) and has retired from the law firm of King & Spalding.