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Bill Clinton, 42nd President of the United States, is a 1968 graduate of the School of Foreign Service. Former officials of the United States Cabinet include 59th Secretary of State and former Supreme Allied Commander Europe, Gen. Alexander Haig; 22nd Secretary of Defense and former CIA Director Robert Gates; 5th Secretary of Homeland Security and retired Marine Gen. John F. Kelly; and 76th Secretary of the Treasury Jack Lew. Other cabinet-level and senior executive branch officials include former Director of National Intelligence Avril Haines, former CIA Director George Tenet, 16th Chair of the Federal Reserve Jerome Powell, Director General of the Foreign Service Marcia Bernicat, and seven White House Chiefs of Staff that include Ron Klain, Denis McDonough, and John Podesta. Former President of the World Bank David Malpass and former CIA Director Gen. David Petraeus are both affiliated with the School of Foreign Service, where they completed academic fellowships. Notable non-graduate alumni include 36th …