Ambassador Christopher R. Hill served as a Peace Corps volunteer in the Republic of Cameroon from 1974 - 1976 before joining the State Department in 1977. Throughout his diplomatic career, he served as Ambassador of the United States to the Former Yugoslav Repbulic of Macedonia from 1996 - 1999, Special Envoy to Kosovo from 1998-1999, Ambassador to Poland from 2000 - 2004, and Ambassador to the Republic of Korea from 2004 - 2005.

Ambassador Hill went on to be appointed Assistant Secretary of State for East Asian and Pacific Affairs and the head of delegation for the 'six-party talks' that aimed to resolve the North Korean nuclear crisis of 2005. President Barrack Obama nominated him for the post of US Ambassador to Iraq in 2009. After retiring from the State Department, Ambassador Hill joined the University of Denver as Dean of the Josef Korbel School of International Studies.