He previously directed the Office of Afghanistan and Pakistan in the Bureau of International Narcotic and Law Enforcement Affairs.

Prior to that he served as Associate Dean of the Foreign Service Institute’s School of Leadership and Management.

In Burma he worked closely with Nobel Peace laureate Aung San Suu Kyi and pro-democracy and ethnic minority groups.

From 1990 until 1993 Dr. McMullen served as visiting professor at the U.S. Military Academy at West Point, where he taught six different courses in International Relations and Comparative Politics.

McMullen has authored a dozen scholarly works and is a three-time recipient of the State Department's Superior Honor Award.