Prior to this, he was the director responsible for defense policy concerning Saudi Arabia, Kuwait, Qatar, Bahrain, Oman, the United Arab Emirates and Yemen. Prior to this assignment, he has served in the Office of the Secretary of Defense as the DoD Liaison to the Department of Homeland Security, as the senior country director for Pakistan, as the NATO operations director, and as the deputy director for peacekeeping. His first job in government was as a special assistant for strategy and later as the international law enforcement analyst in the White House Office of National Drug Control Policy.