Christopher_R._Hill--William_H._Gleysteen

Christopher Robert Hill (born August 10, 1952) is an American diplomat who is United States Ambassador to Serbia. Previously, he was George W. Ball Adjunct Professor at Columbia University in the City of New York, the Chief Advisor to the Chancellor for Global Engagement and Professor of the Practice in Diplomacy at the University of Denver.
Prior to this position, he was the Dean of the Josef Korbel School of International Studies at the university, a position he held from September 2010 to December 2017.