This is a list of the ambassadors of the United States to the Marshall Islands. The Office of the U.S. Representative was opened at Majuro on October 21, 1986. It was upgraded to an embassy on September 6, 1989. Karen B. Stewart is the current United States Ambassador to the Marshall Islands. She was nominated by President Barack Obama on November 5, 2015 was confirmed by the U.S. Senate on May 17, 2016. She succeeded Thomas Armbruster. Ambassadors Samuel B. Thomsen – Career FSO State of Residency: California Title: Representative Appointment: Jun 15, 1987 Presentation of Credentials: Jul 11, 1987 Termination of Mission: Left post, Jul 11, 1990 William Bodde, Jr. – Career FSO State of Residency: Maryland Title: Ambassador Extraordinary and Plenipotentiary Appointment: Jun 27, 1990 Presentation of Credentials: Aug 6, 1990 Termination of Mission: Left post, Jun 28, 1992 David C. Fields – Career FSO State of Residency: California Title: Ambassador Extraordinary and Plenipotentiary Appointment: Jul 7, 1992 Presentation of Credentials: Aug 19, 1992 Termination of Mission: Left post, May 15, 1995 Joan M. Plaisted – Career FSO State of Residency: California Title: Ambassador Extraordinary and Plenipotentiary Appointment: Dec 19, 1995 Presentation of Credentials: Feb 9, 1996 Termination of Mission: Left post Jul 28, 2000 Note: Also accredited to Kiribati; resident at Majuro. Michael J. Senko – Career FSO State of Residency: District of Columbia Title: Ambassador Extraordinary and Plenipotentiary Appointment: Dec 28, 2000 Presentation of Credentials: Jan 26, 2001 Termination of Mission: Left post Aug 2, 2003 Note: Also accredited to Kiribati; resident at Majuro. Greta N. Morris – Career FSO State of Residency: California Title: Ambassador Extraordinary and Plenipotentiary Appointment: Jul 1, 2003 Presentation of Credentials: Aug 26, 2003 Termination of Mission: Left post, Aug 2, 2006 Clyde Bishop – Career FSO State of Residency: Delaware Title: Ambassador Extraordinary and Plenipotentiary Appointment: Jul 18, 2006 Presentation of Credentials: Dec 7, 2006 Termination of Mission: January 20, 2009 Martha Campbell – Career FSO State of Residency: Michigan Title: Ambassador Extraordinary and Plenipotentiary Appointment: August 21, 2009 Presentation of Credentials: September 7, 2009 Termination of Mission: July 11, 2012 Thomas Hart Armbruster - Career FSO State of Residency: New York Title: Ambassador Extraordinary and Plenipotentiary Appointment: August 2, 2012 Presentation of Credentials: Sep 6, 2012 Termination of Mission: May 25, 2016 Karen B. Stewart - Career FSO State of Residency: Unknown Title: Ambassador Extraordinary and Plenipotentiary Appointment: June