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.)
Pierce is a dedicated public servant with extensive experience in the Foreign Service, starting his tenure in 1978. He has held prominent roles abroad, including postings as a consular officer in Mexico City, Santiago, and Calcutta, and as head of the Consular Section in Istanbul.