Ambassador Christopher R. Hill is an American diplomat who has served across multiple regions, including as ambassador to Iraq, the Republic of Korea, Poland, North Macedonia and the Republic of Serbia. As Assistant Secretary of State for East Asian and Pacific Affairs under Presidents George W. Bush and Barack Obama, he led U.S efforts to end North Korea’s nuclear weapons program, which induced North Korea to catalogue its nuclear activities and freeze and disable its plutonium production in 2008-2009. He was a lead State Department negotiator in negotiations that ended the Bosnian war in 1995 and was the U.S. special envoy in negotiations that ended the Kosovo war in 1999.

Following his service as a career diplomat, Ambassador Hill was named as dean of the Korbel School of International Studies at the University of Denver. In that role, he led a faculty of 35 tenured professors and 400 graduate and undergraduate students. He taught courses on diplomacy and raised over 50 million in funds, as well as funds for the construction of a new facility to house the School. He returned to diplomatic service in 2022 at the request of the incoming Biden Administration and served as the US Ambassador to the Republic of Serbia until January 2025.