David Howell Petraeus AO (/pɪˈtreɪ.əs/;) is a retired United States Army general and public official. He served as Director of the Central Intelligence Agency from September 6, 2011, until his resignation on November 9, 2012. Prior to his assuming the directorship of the CIA, Petraeus served 37 years in the United States Army. His last assignments in the Army were as commander of the International Security Assistance Force (ISAF) and Commander, U.S. Forces - Afghanistan (USFOR-A) from July 4, 2010, to July 18, 2011. His other four-star assignments include serving as the 10th Commander, U.S. Central Command (USCENTCOM) from October 13, 2008, to June 30, 2010, and as Commanding General, Multi-National Force – Iraq (MNF-I) from February 10, 2007, to September 16, 2008. As commander of MNF-I, Petraeus oversaw all coalition forces in Iraq.