Ambassadors of the United States are persons nominated by the president to serve as the United States' 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.
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.
David Maclain Hale is an American diplomat and career ambassador,who previously served as the United States Under Secretary of State for Political Affairs. He is currently a Distinguished Diplomatic Fellow at the Wilson Center,on detail from the Department of State.
Kathleen Stephens was the United States ambassador to South Korea from 2008 to 2011. She also served as the United States' chargéd'affaires to India from March to December 2014. She currently leads the Korea Economic Institute of America as president and CEO.
Herro Kader Mustafa Garg is a Kurdish-American diplomat who has served as the United States ambassador to Egypt since November 2023. She served as the United States ambassador to Bulgaria from October 2019 to March 2023.
Jo Ellen Powell is a career member of the United States Foreign Service who served as Consul General in Frankfurt,Germany and was nominated as the US ambassador to Mauritania by Barack Obama on July 15,2010. She has been known in Frankfurt for her active engagement with Germany's Muslim community,as well as with students,through the "Windows on America" program. Prior to that Powell was the executive director of the Bureau of Western Hemisphere Affairs,director of the Office of Employee Relations,and management counselor at the U.S. Embassy in Canberra,Australia. Powell has also served in France,Italy,Lebanon,and Jordan. She is married to Stephen Engelken,also a career diplomat and current deputy chief of mission to Islamabad in Pakistan,with whom she has a son.
Linda Thomas-Greenfield is an American diplomat who serves as the United States ambassador to the United Nations under President Joe Biden. She served as the U.S. assistant secretary of state for African affairs from 2013 to 2017. Thomas-Greenfield then worked in the private sector as a senior vice president at business strategy firm Albright Stonebridge Group in Washington,D.C.
Richard Merrill Mills Jr. is an American diplomat serving as the United States ambassador to Nigeria since July 2024. He served as the United States deputy ambassador to the United Nations from 2020 to 2024 and,in that capacity,served as the U.S. Chargéd'Affaires and Acting Permanent Representative to the United Nations between January 20,2021,and February 24,2021,when Linda Thomas-Greenfield became ambassador. He previously served as the U.S. Chargéd'Affaires for Canada.
Lucy Tamlyn is an American diplomat who has served as the United States ambassador to the Democratic Republic of the Congo since February 2023. She previously served as chargéd'affaires to Sudan;as United States ambassador to the Central African Republic;and as United States ambassador to Benin.
Karen Clark Stanton is a diplomat and former United States Ambassador to East Timor. Stanton was nominated by President Barack Obama July 31,2013 and confirmed by the Senate November 19,2014.
Glenna Kathleen Hill is an American diplomat and former United States Ambassador to Malta. She was nominated by President Barack Obama on July 8,2015,and confirmed by the Senate on December 9,2015.
Nina Maria Fite is an American diplomat and a career member of the Senior Foreign Service who served as the United States Ambassador to Angola from 2018 to 2021. Prior to assuming her role as ambassador,Fite served as Principal Officer at the U.S. Consulate General in Montreal,Canada. Since becoming a diplomat in 1990,Fite has served at seven U.S. overseas missions. On September 2,2017,President Donald Trump announced his intent to nominate Fite to serve as an ambassador of the United States to Angola. On September 5,2017,her nomination was sent to the Senate. Her nomination was reported favorably out of committee on October 26. She was confirmed by the United States Senate by voice vote on November 2,2017. She presented her credentials on February 14,2018. Her term as ambassador ended on November 8,2021. Fite's diplomatic assignments have included posts in Lahore as Consul General,in Kabul as Deputy Economic Counselor,and in Luanda as the Political/Economic Section Chief. She has also been on assignment with the Office of the United States Trade Representative. She appointed Chargéd'Affaires ad interim Moldova on July 10,2024.
David Dale Reimer is an American diplomat and member of the Senior Foreign Service who had served Chargéd'affaires ad interim to Burundi. He had served as the United States ambassador to Sierra Leone from 2021 to 2023. He previously served concurrently as the United States ambassador to Mauritius and United States ambassador to Seychelles from 2018 to 2021. He is Chargéd'Affaires Mauritania since July 22,2024.
Rebecca Eliza Gonzales is an American diplomat who has served as the director of the Office of Foreign Missions since 2022. She served as the United States ambassador to Lesotho from 2018 to 2022.
Kamala Shirin Lakhdhir is an American diplomat and is the current United States Ambassador to Indonesia. She had served as the Executive Secretary of the United States Department of State from 2021 to 2023. She previously served as the United States Ambassador to Malaysia from 2017 to 2021.
Kate Marie Byrnes is an American diplomat,who served as the United States ambassador to North Macedonia between July 2019 and September 2022. She is a career diplomat who has received many awards for her service.
Michael J. Fitzpatrick is an American diplomat who served as the United States ambassador to Ecuador from 2019 to 2024.
Leslie Meredith Tsou is an American diplomat who served as the US Ambassador to Oman from January 10,2020 to March 30,2023.
Kathleen Ann Kavalec is an American diplomat who has served as the United States ambassador to Romania since February 2023. She is a former nominee to be the United States ambassador to Albania under President Donald Trump.
Donna Ann Welton is an American diplomat who has served as the United States ambassador to Timor-Leste since July 2024.
