John Clint Williamson

John C. Williamson
3rd United States Ambassador-at-Large for War Crimes Issues
In office
June 29, 2006  September 7, 2009
PresidentGeorge W. Bush
Barack Obama
Preceded byPierre-Richard Prosper
Succeeded byStephen J. Rapp
Personal details
Born
John Clint Williamson

(1961-08-08) August 8, 1961
Ruston, Louisiana, U.S.
EducationLouisiana Tech University (BA)
Tulane University (JD)

John Clint Williamson (born August 8, 1961) is an American diplomat, lawyer, and educator who has served in a variety of senior-level roles with the United States Government, the United Nations, and the European Union. He currently serves as the Senior Director for International Justice at Georgetown University, on a joint appointment between the Law Center and the Department of Government. Ambassador Williamson heads the US Department of State-funded project at Georgetown that provides support to the Ukrainian government in its investigation and prosecution of crimes arising from the current conflict. He is the Lead Coordinator of the Atrocity Crimes Advisory Group (ACA), the agreed trans-Atlantic community mechanism for addressing atrocity crimes in Ukraine. In this capacity he coordinates, on behalf of the EU, UK and US governments, the work of the five implementing entities that comprise ACA.