 After becoming vice chairman and chief financial officer in January 2006, in March 2009, he became GM president and chief operating officer.On December 1, 2009, Fritz Henderson resigned from General Motors as CEO and was replaced by board Chairman Edward Whitacre, Jr., former head of AT&T Inc. who will temporarily take over as CEO while a global search for a new permanent replacement is conducted.January 25, 2010 Ed Whitacre announces he will become the permanent CEO while keeping his current chairman of board of directors role.