Ambassadors of the United States are persons nominated by the president to serve as the country's diplomatic representatives to foreign nations,international organizations,and as ambassadors-at-large. Under Article II,Section 2 of the U.S. Constitution,their appointment must be confirmed by the United States Senate;while an ambassador may be appointed during a recess,they can serve only until the end of the next session of Congress,unless subsequently confirmed.
Robert Daniel Murphy was an American diplomat. He served as the first United States Under Secretary of State for Political Affairs when the position was established during the Eisenhower administration.
Henry White was a prominent American diplomat during the 1890s and 1900s,and one of the signers of the Treaty of Versailles.
Michele Jeanne Sison is an American diplomat and career member of the Senior Foreign Service serving as the assistant secretary of state for international organization affairs. She has previously served in various other diplomatic posts around the world on behalf of the United States,including ambassador to Haiti. Sison holds the personal rank of career ambassador.
Thomas Alfred Shannon Jr. is an American diplomat who served as Under Secretary of State for Political Affairs from 2016 to 2018. In early 2017,Shannon served as acting United States Secretary of State until President Donald Trump's nominee,Rex Tillerson,was confirmed. He was also acting Deputy Secretary of State of the United States until the Senate confirmed President Trump's nominee,John J. Sullivan.
Hersey Kyota is a Palauan politician and diplomat who has served as the ambassador of Palau to the United States since 1997. He is the current dean of the Diplomatic Corps in Washington,D.C.,as the longest-serving ambassador to the United States.
Peter Michael McKinley is an American diplomat. A career Foreign Service Officer,McKinley served as U.S. Ambassador to Peru (2007–2010),Colombia (2010–2013),Afghanistan (2015–2016),and Brazil (2017–2018),and then as Senior Adviser to the U.S. Secretary of State (2018–2019).
Sergey Ivanovich Kislyak is a Russian senior diplomat and politician. Since September 2017,he has represented Mordovia in the Federation Council,the upper chamber of the Russian legislature. Previously he served as the Ambassador of Russia to the United States from 2008 to 2017. From 2003 to 2008,he was the Deputy Minister of Foreign Affairs,and from 1998 to 2003,he served as the Ambassador of Russia to Belgium and Russia's Head of Mission to NATO.
Nigel Kim Darroch,Baron Darroch of Kew,is a former British diplomat. He served as the British Ambassador to the United States between January 2016 and December 2019,and previously as National Security Adviser and UK Permanent Representative to the European Union.
Paul Thomas Pondi was a Cameroonian political figure. After holding top national security posts from 1960 to 1972,he had a long career as a diplomat. Pondi was Cameroon's ambassador to the United States from 1982 to 1993 and later served as chairman of the board of the Cameroon Civil Aviation Authority from 2000 to 2010.
Mark Boulware is an American diplomat who served as the United States Ambassador to Chad from 2010 to 2013. He also served as the United States Ambassador to the Islamic Republic of Mauritania from 2007 until 2010.
Robert Porter Jackson is a retired American foreign service officer and diplomat. He was a career member of the Senior Foreign Service with the rank of Minister-Counselor.
Jay Pierrepont "Peter" Moffat Jr. was an American diplomat. He served as the United States Ambassador to Chad from 1983 to 1985. He was the first ambassador to the newly reopened U.S. Embassy in N'Djamena. He was a member of the Butler-Belmont family.
Daniel Bennett Smith is an American diplomat who served as the director of the Foreign Service Institute and acting United States Secretary of State at the presidential transition of Joe Biden. He has held the rank of career ambassador since September 2018. He previously served as Assistant Secretary of State for Intelligence and Research at the United States Department of State,assuming that post on February 14,2014. He is considered a veteran diplomat by the U.S. diplomatic community.
Michael Stephen Hoza is an American diplomat. From 2014 to 2017 Hoza served as the United States Ambassador to Cameroon.
W. Patrick Murphy is a career U.S. diplomat. A Senior Foreign Service Officer,he served as the Principal Deputy Assistant Secretary of State for the Bureau of East Asian and Pacific Affairs from 2018 to 2019,fulfilling the duties of Acting Assistant Secretary,and Deputy Assistant Secretary of State for Southeast Asia and Multilateral Affairs,2016–2018. He previously served as Chargéd'affaires and Deputy Chief of Mission in the Kingdoms of Thailand and Lesotho. He was nominated on January 16,2019 to be Ambassador Extraordinary and Plenipotentiary of the United States of America to the Kingdom of Cambodia.
Michael Peter Pelletier is an American diplomat who served as the United States ambassador to Madagascar and the Comoros from 2019 to 2021.
Christopher John Lamora is an American diplomat who has served as the United States ambassador to Cameroon since 2022.
