Martin “Marty” Edward Dempsey (born 14 March 1952), is an American retired military officer who served as the 18th chairman of the Joint Chiefs of Staff from October 2011 to September 2015. He previously served as the 37th chief of Staff of the Army from April to September 2011. Before that, he served as Commanding General, U.S. Army Training and Doctrine Command, from December 2008 to April 2011, as Acting Commander, U.S. Central Command, from March to October 2008, as Deputy Commander, U.S. Central Command, from August 2007 to March 2008, and as Commanding General, Multi-National Security Transition Command – Iraq (MNSTC-I), from August 2005 to August 2007. Dempsey assumed his assignment as Chairman of the Joint Chiefs of Staff in October 2011, and stepped down from the Chairmanship in September 2015. He has served as a professor at Duke University and as chairman of USA Basketball. Source: Wikipedia (en)