 He has served as DAS in the PM Bureau since January 2007.He served as Acting Assistant Secretary for Political-Military Affairs from January 2009 to June 2009.In the fall of 2010, he was asked by his boss, Richard Holbrooke, to meet Syed Tayyab Agha, a liaison for the Taliban who had worked for Mohammed Omar, at a secret meeting in Germany alongside Jeff W. Hayes, a staff member of the United States National Security Council.