David Allen Schlaefer is the Senior Advisor for War Crimes and Accountability in Ukraine in the Office for Global Criminal Justice at the US Department of State. He was previously the Senior Assistance Coordinator at the US Embassy in Kyiv and served as Acting DCM and Team Leader in Rzeszow during the past year. In that capacity, he worked on coordination of US foreign assistance with international partners and implementers following the Russian invasion as well as the reopening of the Embassy. A career member of the Senior Foreign Service, Mr. Schlaefer was the previous Deputy Special Envoy to the Global Coalition to Defeat ISIS from 2020-2021 and was the Director for Political-Military Affairs at the US Embassy in Tokyo from 2011-2015. He has been a diplomat for almost 30 years.