Kurt Douglas Volker is an American diplomat who served as George W. Bush's last U.S. Ambassador to NATO. Later he served as executive director of the McCain Institute for International Leadership and in a volunteer capacity as Donald J. Trump's U.S. Special Representative for Ukraine until his resignation on September 27, 2019. This article uses material from the Wikipedia article Kurt_Volker, which is released under the Creative Commons Attribution-ShareAlike 4.0 International License
