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.
Karen Parfitt Hughes is the global vice chair of the public relations firm Burson-Marsteller. She served as the Under Secretary of State for Public Diplomacy and Public Affairs in the U.S. Department of State and as a counselor to President George W. Bush.
William Howard Taft IV is an American diplomat and attorney who has served in the United States government under several Republican administrations. He is a son of William Howard Taft III and a great-grandson of President William Howard Taft.
Daniel Charles Kurtzer is an American former diplomat. He served as U.S. ambassador to Egypt during the term of President Bill Clinton, and was the U.S. ambassador to Israel from 2001 to 2005 during the term of President George W Bush.
Thomas Reeve "Tom" Pickering is a retired United States ambassador. Among his many diplomatic appointments, he served as U.S. Ambassador to the United Nations from 1989 to 1992.
Christopher Robert Hill is an American diplomat who is United States Ambassador to Serbia. Previously, he was George W. Ball Adjunct Professor at Columbia University in the City of New York, the Chief Advisor to the Chancellor for Global Engagement and Professor of the Practice in Diplomacy at the University of Denver. Prior to this position, he was the Dean of the Josef Korbel School of International Studies at the university, a position he held from September 2010 to December 2017.
Robert Nicholas Burns is an American diplomat and international relations scholar who has been serving as the United States ambassador to China since 2022.
Assistant Secretary of State (A/S) is a title used for many executive positions in the United States Department of State, ranking below the under secretaries. A set of six assistant secretaries reporting to the under secretary for political affairs manage diplomatic missions within their designated geographic regions, plus one assistant secretary dealing with international organizations and one equivalent as the coordinator/ambassador at large for counterterrorism. Assistant secretaries usually manage individual bureaus of the Department of State. When the manager of a bureau or another agency holds a title other than assistant secretary, such as "director", it can be said to be of "assistant secretary equivalent rank". Assistant secretaries typically have a set of deputies, referred to as deputy assistant secretaries (DAS).
Christopher William Dell is an American diplomat who served as the U.S. Ambassador to Angola, Zimbabwe, and Kosovo.
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.
Richard Eugene Hoagland is a career ambassador in the United States Department of State. He was Principal Deputy Assistant Secretary in State's Bureau of South and Central Asian Affairs from 2013-2015. In the summer of 2016, based at the U.S. Embassy in Amman, Jordan, he was the senior U.S. liaison to the Russian Reconciliation Center at the Russian military base in Latakia, Syria. In 2017 he served as interim U.S. co-chair of the OSCE Minsk Group, the group appointed by the Organization for Security and Cooperation in Europe to coordinate international peace-making efforts on the conflict in Nagorno-Karabakh.
Stephen Warren Bosworth was an American academic and diplomat. He served as Dean of The Fletcher School at Tufts University and served as United States Special Representative for North Korea Policy from March 2009 to October 2011. He served three times as a U.S. Ambassador, to Tunisia (1979–1981), to the Philippines (1984–1987), and to South Korea (1997–2001). In 1987, he received the American Academy of Diplomacy's Diplomat of the Year Award.
Abdoulaye Diop is a Malian diplomat who served as Minister of Foreign Affairs of Mali from 2014 to 2017 and again from 2021 onwards. Previously he was Mali's Ambassador to the United States, appointed to that position in 2003.
Thomas David Boyatt is a former diplomat and United States Ambassador to Burkina Faso (1978–80) and Colombia (1980–83). He is a member of the American Academy of Diplomacy. He was held captive for six days in a Palestinian hijacking in the 1960s. He graduated from Wyoming High School in 1951. He continues to return to his former high school to speak to students during the Wyoming School Foundation Day.
William Lacy Swing was a diplomat and former United States Ambassador, and United Nations Special Representative of the Secretary-General and Under Secretary General. He was the Director-General of the International Organization for Migration until António Vitorino's appointment in 2018.
Philip Thomas Reeker is an American diplomat and career foreign service officer with the Department of State who currently serves as the senior advisor for Caucasus negotiations. He was previously Chargé d'affaires of the United States mission to the United Kingdom from 2021 to 2022 and acting assistant secretary of state in the Bureau of European and Eurasian Affairs from 2019 to 2021.
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).
Earl Anthony Wayne is an American diplomat. Formerly Assistant Secretary of State for Economic and Business Affairs, Ambassador to Argentina and Deputy Ambassador to Afghanistan, Wayne served nearly four years as Ambassador to Mexico. He was nominated by President Obama and confirmed by the Senate in August, 2011. He departed Mexico City for Washington July 31, 2015 and retired from the State Department on September 30, 2015. Wayne attained the highest rank in the U.S. diplomatic service: Career Ambassador. He is currently a Professorial Lecturer and Distinguished Diplomat in Residence at American University's School of International Service where he teaches courses related to diplomacy and US foreign policy. Wayne also works with the Woodrow Wilson International Center for Scholars, the Atlantic Council, the Center for Strategic and International Studies,. Wayne is co-chair of the Mexico Institute's Advisory Board at the Wilson Center. He is also on the board of the American Academy of Diplomacy and the Public Diplomacy Council of America. Wayne is an independent consultant, speaker and writer and works with several not-for-profit professional associations. He was an adviser for HSBC Latin America on improving management of financial crime risk from 2015 until 2019 and served on the board of the American Foreign Service Association from 2017 to 2019.
Roman Popadiuk is an American diplomat of Ukrainian descent. Popadiuk served as the first United States Ambassador to Ukraine under George H. W. Bush, from 1992 to 1993. From 2015 until 2017, he was a principal at Morgan, Lewis & Bockius LLP's subsidiary Morgan Lewis Consulting, and prior to 2015 he was the principal at Bingham Consulting. Since late 2018 Popadiuk has been the president of the Diplomacy Center Foundation which oversees the development of the National Museum of American Diplomacy.
Christopher Landau is an American lawyer and diplomat who served as the United States Ambassador to Mexico from 2019 to 2021. He was nominated to the position by President Donald Trump.
