Leon Edward Panetta (born June 28, 1938) is an American retired politician and government official who served under several Democratic administrations as Secretary of Defense (2011–2013), Director of the Central Intelligence Agency (2009–2011), White House Chief of Staff (1994–1997), director of the Office of Management and Budget (1993–1994), as well as a U.S. representative from California (1977–1993).