This is a list of United States ambassadors to Mongolia. The United States established diplomatic relations with then-People's Republic of Mongolia on January 27, 1987. The embassy in Ulaanbaatar was opened Apr 17, 1988, with Steven Mann as Chargé d'Affaires ad interim. Richard Llewellyn Williams was the first ambassador to the Republic, and resided in the District of Columbia. The U.S. maintains its embassy in Ulaanbaatar.United States Department of State State Dep't List
Ambassadors NamePortraitCareer statusPresentation of credentialsTermination of missionCommentRichard Llewellyn Williams Foreign Service officer11-Jul-198827-June-1990 Joseph Edward Lake Foreign Service officer27-June-199030-Aug-1993Donald C. Johnson Foreign Service officer02-Aug-199316-Aug-1996Llewellyn HedgbethForeign Service officerAug-26-1996Dec-1997Chargé d'Affaires ad interimAlphonse F. La PortaForeign Service officer24-Oct-199703-Nov-2000John R. DingerForeign Service officer14-Jun-200020-Jan-2003Pamela J. H. Slutz Foreign Service officer04-Sep-2003 08-Sep-2006Mark C. Minton Foreign Service officer20-Sep-200621-Sep-2009Jonathan AddletonForeign Service officer09-Nov-20091-Aug-2012Piper CampbellForeign Service officer24-Aug-201207-Aug-2015Jennifer Zimdahl GaltForeign Service officer05-Oct-201510-Nov-2017Michael S. KlecheskiForeign Service officer22-Feb-201924-Sep-2022Richard L. BuanganForeign Service OfficerNovember 17, 2022Present
See also Mongolia – United States relations Foreign relations of Mongolia Ambassadors of the United States List of ambassadors of Mongolia to the United States
References
United States Department of State: Background notes on Mongolia
External links United States Department of State: Chiefs of Mission for Mongolia United States Department of State: Mongolia United States Embassy in Ulaanbaatar