Roger Dwayne Pierce is a United States diplomat and a career foreign service officer with the Department of State. As of 2008, he is serving as the foreign policy advisor with the U.S. Special Operations Command. His previous assignment was the post of Ambassador to the Republic of Cape Verde. He served in that post 2005 08. Pierce is a career member of the Senior Foreign Service, class of Minister Counselor. Pierce entered on duty in the Foreign Service in 1978. He has served abroad as consular officer in Mexico City (Mexico), Santiago (Chile), and as Chief of the Consular Section in Calcutta (India), and Istanbul (Turkey.)