Principal Officers and Chiefs of Mission, by Year: 2018

Note: Career Foreign Service appointees are asterisked.

• *Cynthia Helen Akuetteh (1948–)
  • Ambassador Extraordinary and Plenipotentiary, Gabon (2014–2018)
  • Ambassador Extraordinary and Plenipotentiary, Sao Tome and Principe (2014–2018)
• *Theodore Allegra (?–)
  • Chargé d’Affaires ad interim (2017–2018)
• *Craig B. Allen (1957–)
  • Ambassador Extraordinary and Plenipotentiary, Brunei (2014–2018)
• *Carolyn Patricia Alsup (1961–)
  • Ambassador Extraordinary and Plenipotentiary, The Gambia (2015–2018)
• *Larry Edward Andre Jr. (1961–)
  • Ambassador Extraordinary and Plenipotentiary, Mauritania (2014–2017)
  • Ambassador Extraordinary and Plenipotentiary, Djibouti (2017)
• *Luis E. Arreaga-Rodas (1952–)
  • Ambassador Extraordinary and Plenipotentiary, Iceland (2009–2013)
  • Ambassador Extraordinary and Plenipotentiary, Guatemala (2017–2020)
• *Jess Lippencott Baily (1960–)
  • Ambassador Extraordinary and Plenipotentiary, Macedonia (2014–2019)
• *Erica J. Barks-Ruggles (1967–)
  • Ambassador Extraordinary and Plenipotentiary, Rwanda (2014–2018)
• *Peter H. Barlerin (?–)
  • Ambassador Extraordinary and Plenipotentiary, Cameroon (2017–2020)
• *John R. Bass (1964–)
  • Ambassador Extraordinary and Plenipotentiary, Georgia (2009–2012)
  • Executive Secretary (2012–2014)
  • Ambassador Extraordinary and Plenipotentiary, Turkey (2014)
  • Ambassador Extraordinary and Plenipotentiary, Turkey (2014–2017)
  • Ambassador Extraordinary and Plenipotentiary, Afghanistan (2017–2020)
• *Marcia Stephens Bloom Bernicat (1953–)
  • Ambassador Extraordinary and Plenipotentiary, Guinea-Bissau (2008–2011)
  • Ambassador Extraordinary and Plenipotentiary, Senegal (2008–2011)
  • Ambassador Extraordinary and Plenipotentiary, Bangladesh (2014–2018)
• Robin S. Bernstein (?–)
  • Ambassador Extraordinary and Plenipotentiary, Dominican Republic (2018)
• *Randy W. Berry (?–)
  • Ambassador Extraordinary and Plenipotentiary, Nepal (2018)
• *Rena Bitter (?–)
  • Ambassador Extraordinary and Plenipotentiary, Laos (2016–2020)
• *Jane E. Bocklage (?–)
  • Chargé d’Affaires ad interim (2017–2019)
• *Stephanie L. Bowers (?–)
  • Chargé d’Affaires ad interim, The Bahamas ()
• Kenneth J. Braithwaite (?–)
  • Ambassador Extraordinary and Plenipotentiary, Norway (2018)
• Terry E. Branstad (?–)
  • Ambassador Extraordinary and Plenipotentiary, China (2017–2020)
• T. Ulrich Brechbuhl (?–)
  • Counselor (2018)
• Kimberly Breier (?–)
  • Assistant Secretary of State for Western Hemisphere Affairs (2018)
• *Natalie E. Brown (?–)
  • Chargé d’Affaires, Eritrea (2019)
  • Ambassador Extraordinary and Plenipotentiary, Uganda (2020)
• Samuel Dale Brownback (1956–)
  • Ambassador at Large (2018)
• *David Brownstein (?–)
  • Chargé d’Affaires ad interim, Central African Republic (2019)
• Richard D. Buchan III (?–)
  • Ambassador Extraordinary and Plenipotentiary, Andorra (2017)
  • Ambassador Extraordinary and Plenipotentiary, Spain (2017)
• *Roxanne J. Cabral (?–)
  • Chargé d’Affaires ad interim, Panama (2018–2020)
  • Ambassador Extraordinary and Plenipotentiary, Marshall Islands (2019)
• *James A. Carouso (?–)
  • Chargé d’Affaires ad interim, Australia (2019)
• Thomas L. Carter (?–)
  • Representative of the U.S.A. on the Council of the International Civil Aviation Organization (Montreal) (2017–2020)
• *Anne S. Casper (?–)
  • Ambassador Extraordinary and Plenipotentiary, Burundi (2016–2019)
• *Judith Beth Cefkin (1953–)
  • Ambassador Extraordinary and Plenipotentiary, Fiji (2014–2018)
  • Ambassador Extraordinary and Plenipotentiary, Kiribati (2014–2018)
  • Ambassador Extraordinary and Plenipotentiary, Nauru (2014–2018)
  • Ambassador Extraordinary and Plenipotentiary, Tonga (2014–2018)
  • Ambassador Extraordinary and Plenipotentiary, Tuvalu (2014–2018)
• *Robert Francis Cekuta (1954–)
  • Ambassador Extraordinary and Plenipotentiary, Azerbaijan (2014–2018)
• *Todd C. Chapman (1962–)
  • Chargé d’Affaires ad interim, Mozambique (2010)
  • Ambassador Extraordinary and Plenipotentiary, Ecuador (2015–2019)
  • Ambassador Extraordinary and Plenipotentiary, Brazil (2020)
• *Thomas E. Cooney (?–)
  • Chargé d’Affaires ad interim, Argentina (2018)
• *Maureen Elizabeth Cormack (1957–)
  • Ambassador Extraordinary and Plenipotentiary, Bosnia and Herzegovina (2014–2019)
• David B. Cornstein (?–)
  • Ambassador Extraordinary and Plenipotentiary, Hungary (2018–2020)
• *Kevin Covert (?–)
  • Chargé d’Affaires ad interim, Tajikistan (2019)
• Kelly Knight Craft (?–)
  • Ambassador Extraordinary and Plenipotentiary, Canada (2017–2019)
  • Representative of the U.S.A. to the United Nations (2019)
• *Shawn P. Crowley (?–)
  • Chargé d’Affaires ad interim, Netherlands (2018)
• *Martin Dale (?–)
  • Chargé d’Affaires ad interim, Somalia (2018)
• *Joel Danies (?–)
  • Ambassador Extraordinary and Plenipotentiary, Gabon (2018–2019)
  • Ambassador Extraordinary and Plenipotentiary, Sao Tome and Principe (2018–2019)
• *Glyn T. Davies (1957–)
  • Representative of the U.S.A. to the International Atomic Energy Agency (Vienna) (2009–2011)
  • Representative of the U.S.A. to the Vienna Office of the United Nations (Vienna) (2009–2011)
  • Ambassador Extraordinary and Plenipotentiary, Thailand (2015–2018)
• *Gregory T. Delawie (1957–)
  • Ambassador Extraordinary and Plenipotentiary, Kosovo (2015–2018)
• *John P. Desrocher (?–)
  • Ambassador Extraordinary and Plenipotentiary, Algeria (2017–2020)
• *Michael J. Dodman (?–)
  • Ambassador Extraordinary and Plenipotentiary, Mauritania (2017)
• *Laura Farnsworth Dogu (1964–)
  • Ambassador Extraordinary and Plenipotentiary, Nicaragua (2015–2018)
• *Kathleen Ann Doherty (1963–)
  • Ambassador Extraordinary and Plenipotentiary, Cyprus (2015–2019)
• *Joseph R. Donovan Jr. (?–)
  • Ambassador Extraordinary and Plenipotentiary, Indonesia (2016–2020)
• *Thomas M. Duffy (1962–)
  • Chargé d’Affaires ad interim (2016–2019)
• *Catherine Ebert-Gray (1955–)
  • Ambassador Extraordinary and Plenipotentiary, Papua New Guinea (2015–2019)
  • Ambassador Extraordinary and Plenipotentiary, Solomon Islands (2015–2019)
  • Ambassador Extraordinary and Plenipotentiary, Vanuatu (2015–2019)
• *Christine Elder (?–)
  • Ambassador Extraordinary and Plenipotentiary, Liberia (2016–2020)
• *Jill M. Esposito (?–)
  • Chargé d’Affaires ad interim, Iceland (2019)
• J. Randolph Evans (?–)
  • Ambassador Extraordinary and Plenipotentiary, Luxembourg (2018)
• Francis R. Fannon (?–)
  • Assistant Secretary of State for Energy Resources (2018)
• *John D. Feeley (1961–)
  • Ambassador Extraordinary and Plenipotentiary, Panama (2015–2018)
• Nina Marie Fite (?–)
  • Ambassador Extraordinary and Plenipotentiary, Angola (2017)
• *Kathleen M. Fitzpatrick (?–)
  • Ambassador Extraordinary and Plenipotentiary, Timor-Leste (2017)
• *Paul Arthur Folmsbee (1960–)
  • Ambassador Extraordinary and Plenipotentiary, Mali (2015–2018)
• *Daniel L. Foote (?–)
  • Ambassador Extraordinary and Plenipotentiary, Zambia (2017–2020)
• Christopher A. Ford (?–)
  • Assistant Secretary of State for International Security and Nonproliferation (2018)
• *Heide B. Fulton (?–)
  • Chargé d’Affaires ad interim, Honduras (2019)
• *Julia Ann Furuta-Toy (1960–)
  • Ambassador Extraordinary and Plenipotentiary, Equatorial Guinea (2015–2019)
  • Chargé d’Affaires ad interim, Norway (2015)
• *Adrienne Galanek (?–)
  • Chargé d’Affaires ad interim, Belize (2018)
• Ronald J. Gidwitz (?–)
  • Ambassador Extraordinary and Plenipotentiary, Belgium (2018)
• *Keith R. Gilges (?–)
  • Chargé d’Affaires ad interim, Belize (2018)
• *David R. Gilmour (1958–)
  • Ambassador Extraordinary and Plenipotentiary, Togo (2015–2019)
• Callista L. Gingrich (1966–)
  • Ambassador Extraordinary and Plenipotentiary, Holy See (2017–2021)
• Michelle S. Giuda (?–)
  • Assistant Secretary of State for Public Affairs (2018)
• *Robert Frank Godec (1956–)
  • Ambassador Extraordinary and Plenipotentiary, Tunisia (2006–2009)
  • Ambassador Extraordinary and Plenipotentiary, Kenya (2013–2019)
• *Philip S. Goldberg (1956–)
  • Ambassador Extraordinary and Plenipotentiary, Bolivia (2006–2008)
  • Assistant Secretary of State for Intelligence and Research (2010–2013)
  • Ambassador Extraordinary and Plenipotentiary, Philippines (2013–2016)
  • Career Ambassador (2018)
  • Ambassador Extraordinary and Plenipotentiary, Colombia (2019)
• *Thomas Goldberger (?–)
  • Chargé d’Affaires ad interim, Egypt (2019)
• *Michael B. Goldman (?–)
  • Chargé d’Affaires ad interim, Fiji (2019)
  • Chargé d’Affaires ad interim, Kiribati (2019)
  • Chargé d’Affaires ad interim, Nauru (2019)
  • Chargé d’Affaires ad interim, Tonga (2019)
  • Chargé d’Affaires ad interim, Tuvalu (2019)
• Irwin Steven Goldstein (1952–)
  • Under Secretary of State for Public Diplomacy and Public Affairs (2017–2018)
• *Rebecca E. Gonzales (?–)
  • Ambassador Extraordinary and Plenipotentiary, Lesotho (2017)
• *William Grant (?–)
  • Chargé d’Affaires ad interim, Qatar (2018–2020)
• Richard A. Grenell (?–)
  • Ambassador Extraordinary and Plenipotentiary, Germany (2018)
• William F. Hagerty IV (?–)
  • Ambassador Extraordinary and Plenipotentiary, Japan (2017–2019)
• *David Hale (1961–)
  • Chargé d’Affaires ad interim, Jordan (2005)
  • Ambassador Extraordinary and Plenipotentiary, Jordan (2005–2008)
  • Ambassador Extraordinary and Plenipotentiary, Lebanon (2013–2015)
  • Ambassador Extraordinary and Plenipotentiary, Pakistan (2015–2018)
  • Career Ambassador (2018)
  • Under Secretary of State for Political Affairs (2018)
• Nikki R. Haley (?–)
  • Representative of the U.S.A. to the United Nations (2017–2018)
• *Anne Hall (?–)
  • Ambassador Extraordinary and Plenipotentiary, Lithuania (2016–2019)
• *Michael A. Hammer (1963–)
  • Assistant Secretary of State for Public Affairs (2012–2013)
  • Ambassador Extraordinary and Plenipotentiary, Chile (2014–2016)
  • Ambassador Extraordinary and Plenipotentiary, Congo (Kinshasa) (2018)
• *Dennis B. Hankins (1959–)
  • Ambassador Extraordinary and Plenipotentiary, Guinea (2015–2019)
  • Ambassador Extraordinary and Plenipotentiary, Mali (2019)
• Harry B. Harris Jr. (?–)
  • Ambassador Extraordinary and Plenipotentiary, Korea (2018)
• *Brent Robert Hartley (1955–)
  • Ambassador Extraordinary and Plenipotentiary, Slovenia (2014–2018)
• *Jennifer Haskell (?–)
  • Chargé d’Affaires ad interim, Congo (Kinshasa) (2018)
• *Andrew B. Haviland (?–)
  • Chargé d’Affaires ad interim, Côte d’Ivoire (2017)
  • Chargé d’Affaires ad interim (2017–2020)
• *Donald J. Heflin (1958–)
  • Ambassador Extraordinary and Plenipotentiary, Cape Verde (2014–2018)
• *Chris Hegadorn (?–)
  • Chargé d’Affaires ad interim (2017–2018)
• *William A. Heidt (1961–)
  • Ambassador Extraordinary and Plenipotentiary, Cambodia (2015–2018)
• *Christopher Henzel (1962–)
  • Chargé d’Affaires ad interim, Saudi Arabia (2019)
  • Ambassador Extraordinary and Plenipotentiary, Yemen (2019)
• *G. Kathleen Hill (1964–)
  • Ambassador Extraordinary and Plenipotentiary, Malta (2015–2018)
• Peter Hoekstra (?–)
  • Ambassador Extraordinary and Plenipotentiary, Netherlands (2017)
• *Dereck J. Hogan (?–)
  • Ambassador Extraordinary and Plenipotentiary, Moldova (2018)
• *Perry L. Holloway (1960–)
  • Ambassador Extraordinary and Plenipotentiary, Guyana (2015–2018)
• Brian H. Hook (1968–)
  • Assistant Secretary of State for International Organization Affairs (2008–2009)
  • Director of Policy Planning (2017–2018)
• *Elizabeth K. Horst (?–)
  • Chargé d’Affaires ad interim, Estonia (2019)
• Jon M. Huntsman Jr. (1960–)
  • Ambassador Extraordinary and Plenipotentiary, Singapore (1992–1993)
  • Ambassador Extraordinary and Plenipotentiary, China (2009–2011)
  • Ambassador Extraordinary and Plenipotentiary, Russia (2017–2019)
• *Thomas J. Hushek (?–)
  • Ambassador Extraordinary and Plenipotentiary, South Sudan (2018–2020)
• *Amy Jane Hyatt (1955–)
  • Ambassador Extraordinary and Plenipotentiary, Palau (2015–2020)
• *Robert Porter Jackson (1956–)
  • Ambassador Extraordinary and Plenipotentiary, Cameroon (2010–2013)
  • Ambassador Extraordinary and Plenipotentiary, Ghana (2015–2018)
• Roberta S. Jacobson (1960–)
  • Assistant Secretary of State for Western Hemisphere Affairs (2012–2016)
  • Ambassador Extraordinary and Plenipotentiary, Mexico (2016–2018)
• *Lisa Anne Johnson (1967–)
  • Chargé d’Affaires ad interim, The Bahamas (2017)
  • Ambassador Extraordinary and Plenipotentiary, Namibia (2017)
• *Paul Wayne Jones (1960–)
  • Ambassador Extraordinary and Plenipotentiary, Malaysia (2010–2013)
  • Ambassador Extraordinary and Plenipotentiary, Poland (2015–2018)
  • Chargé d’Affaires ad interim, Pakistan (2018–2020)
• *Harry R. Kamian (?–)
  • Chargé d’Affaires ad interim (2017–2019)
• *Kelly Keiderling-Franz (?–)
  • Ambassador Extraordinary and Plenipotentiary, Uruguay (2016–2019)
• *Ian C. Kelly (1953–)
  • Representative of the U.S.A. to the Organization for Security and Cooperation in Europe (Vienna) (2010–2013)
  • Ambassador Extraordinary and Plenipotentiary, Georgia (2015–2018)
• *Atul Keshap (1971–)
  • Ambassador Extraordinary and Plenipotentiary, Maldives (2015–2018)
  • Ambassador Extraordinary and Plenipotentiary, Sri Lanka (2015–2018)
• *Eric Khant (?–)
  • Chargé d’Affaires ad interim, Jamaica (2019)
• *Sung Y. Kim (1960–)
  • Ambassador Extraordinary and Plenipotentiary, Korea (2011–2014)
  • Ambassador Extraordinary and Plenipotentiary, Philippines (2016–2020)
  • Ambassador Extraordinary and Plenipotentiary, Indonesia (2020)
• *Hans G. Klemm (1957–)
  • Ambassador Extraordinary and Plenipotentiary, Timor-Leste (2007–2010)
  • Ambassador Extraordinary and Plenipotentiary, Romania (2015–2019)
• *Marc E. Knapper (?–)
  • Chargé d’Affaires ad interim, Korea (2018)
• W. Robert Kohorst (?–)
  • Ambassador Extraordinary and Plenipotentiary, Croatia (2017)
• *Philip S. Kosnett (?–)
  • Ambassador Extraordinary and Plenipotentiary, Kosovo (2018)
• *David Kostelancik (?–)
  • Chargé d’Affaires ad interim, Hungary (2018)
• *Steven Koutsis (?–)
  • Chargé d’Affaires, Sudan (2019)
• *George Albert Krol (1956–)
  • Ambassador Extraordinary and Plenipotentiary, Belarus (2003–2006)
  • Ambassador Extraordinary and Plenipotentiary, Uzbekistan (2011–2014)
  • Ambassador Extraordinary and Plenipotentiary, Kazakhstan (2014–2018)
  • Ambassador Extraordinary and Plenipotentiary, Turkmenistan (Nomination of June 27, 2007, withdrawn on April 28, 2008.)
• *Jessica Lapenn (?–)
  • Chargé d’Affaires ad interim, South Africa (2019)
  • Representative of the U.S.A. to the African Union (2019)
• *Barbara A. Leaf (1958–)
  • Ambassador Extraordinary and Plenipotentiary, United Arab Emirates (2014–2018)
• *Mary Beth Leonard (1962–)
  • Ambassador Extraordinary and Plenipotentiary, Mali (2011–2014)
  • Representative of the U.S.A. to the African Union (2016–2019)
  • Ambassador Extraordinary and Plenipotentiary, Nigeria (2019)
• *David Lindwall (?–)
  • Chargé d’Affaires ad interim, Sweden (2018)
• *Kent D. Logsdon (?–)
  • Chargé d’Affaires ad interim, Germany (2018)
• *Donald Lu (1966–)
  • Chargé d’Affaires ad interim, Azerbaijan (2010)
  • Ambassador Extraordinary and Plenipotentiary, Albania (2014–2018)
  • Ambassador Extraordinary and Plenipotentiary, Kyrgyzstan (2018)
• *Matthew R. Lussenhop (?–)
  • Chargé d’Affaires ad interim, Belgium (2018)
• Kirsten D. Madison (?–)
  • Assistant Secretary of State for International Narcotics and Law Enforcement Affairs (2018)
• *Deborah Ruth Malac (1955–)
  • Ambassador Extraordinary and Plenipotentiary, Liberia (2012–2015)
  • Ambassador Extraordinary and Plenipotentiary, Uganda (2015–2020)
• *Jean Elizabeth Manes (1970–)
  • Ambassador Extraordinary and Plenipotentiary, El Salvador (2016–2019)
• *Scot Alan Marciel (1958–)
  • Representative of the U.S.A. to the Association of Southeast Asian Nations (Jakarta) (2008–2010)
  • Ambassador Extraordinary and Plenipotentiary, Indonesia (2010–2013)
  • Ambassador Extraordinary and Plenipotentiary, Burma (2016–2020)
• *Lee McClenny (1961–)
  • Chargé d’Affaires, Venezuela (2017)
  • Ambassador Extraordinary and Plenipotentiary, Paraguay (2018–2020)
• Jamie D. McCourt (?–)
  • Ambassador Extraordinary and Plenipotentiary, France (2017)
  • Ambassador Extraordinary and Plenipotentiary, Monaco (2017)
  • Ambassador Extraordinary and Plenipotentiary, Belgium (Nominated June 26, 2017, withdrawn on August 2, 2017.)
• *John W. McIntyre (?–)
  • Chargé d’Affaires ad interim, Trinidad and Tobago (2018)
• *Peter Michael McKinley (1954–)
  • Chargé d’Affaires ad interim, Mozambique (1997)
  • Ambassador Extraordinary and Plenipotentiary, Peru (2007–2010)
  • Ambassador Extraordinary and Plenipotentiary, Colombia (2010–2013)
  • Ambassador Extraordinary and Plenipotentiary, Afghanistan (2014–2016)
  • Ambassador Extraordinary and Plenipotentiary, Brazil (2016–2018)
• *James Desmond Melville Jr. (1957–)
  • Ambassador Extraordinary and Plenipotentiary, Estonia (2015–2018)
• *Manuel P. Micaller (?–)
  • Chargé d’Affaires ad interim, Mongolia (2019)
• *Stephanie Miley (?–)
  • Chargé d’Affaires ad interim, Morocco (2019)
• *Earl Robert Miller (1958–)
  • Ambassador Extraordinary and Plenipotentiary, Botswana (2014–2018)
  • Ambassador Extraordinary and Plenipotentiary, Bangladesh (2018)
• *Richard M. Mills Jr. (1959–)
  • Ambassador Extraordinary and Plenipotentiary, Armenia (2015–2018)
• A. Wess Mitchell (1977–)
  • Assistant Secretary of State for European and Eurasian Affairs (2017–2019)
• Kevin E. Moley (1946–)
  • Representative of the U.S.A. to the European Office of the United Nations (Geneva) (2001–2006)
  • Assistant Secretary of State for International Organization Affairs (2018)
• Joseph N. Mondello (?–)
  • Ambassador Extraordinary and Plenipotentiary, Trinidad and Tobago (2018)
• *Jenifer H. Moore (?–)
  • Chargé d’Affaires, Belarus (2018–2020)
• Georgette Mosbacher (?–)
  • Ambassador Extraordinary and Plenipotentiary, Poland (2018)
• *Leyla Moses-Ones (?–)
  • Chargé d’Affaires ad interim, Albania (2018)
• *Allan P. Mustard (1955–)
  • Ambassador Extraordinary and Plenipotentiary, Turkmenistan (2014–2019)
• *Tibor P. Nagy Jr. (1949–)
  • Ambassador Extraordinary and Plenipotentiary, Guinea (1996–1999)
  • Ambassador Extraordinary and Plenipotentiary, Ethiopia (1999–2002)
  • Assistant Secretary of State for African Affairs (2018)
• Denise Natali (?–)
  • Assistant Secretary of State for Conflict and Stabilization Operations (2018)
• Jennifer G. Newstead (?–)
  • Legal Adviser (2018–2019)
• *Brian A. Nichols (1965–)
  • Ambassador Extraordinary and Plenipotentiary, Peru (2014–2017)
  • Ambassador Extraordinary and Plenipotentiary, Zimbabwe (2018)
• *Edwin Richard Nolan Jr. (1955–)
  • Chargé d’Affaires ad interim, Netherlands (2013)
  • Ambassador Extraordinary and Plenipotentiary, Suriname (2015–2018)
• *Virginia E. Palmer (1963–)
  • Ambassador Extraordinary and Plenipotentiary, Malawi (2014–2019)
• *Geeta Pasi (1962–)
  • Ambassador Extraordinary and Plenipotentiary, Djibouti (2011–2014)
  • Ambassador Extraordinary and Plenipotentiary, Chad (2016–2018)
• *Inmi K. Patterson (?–)
  • Chargé d’Affaires ad interim, Tanzania (2020)
• Robert F. Pence (?–)
  • Ambassador Extraordinary and Plenipotentiary, Finland (2018)
• *Carol Z. Perez (?–)
  • Ambassador Extraordinary and Plenipotentiary, Chile (2016–2019)
  • Director General of the Foreign Service (2019)
• *James D. Pettit (1956–)
  • Ambassador Extraordinary and Plenipotentiary, Moldova (2014–2018)
• *Nancy Bikoff Pettit (1953–)
  • Ambassador Extraordinary and Plenipotentiary, Latvia (2015–2019)
• *H. Dean Pittman (1956–)
  • Ambassador Extraordinary and Plenipotentiary, Mozambique (2015–2018)
• Yleem D. S. Poblete (?–)
  • Assistant Secretary of State for Arms Control, Verification, and Compliance (2018–2019)
• Michael R. Pompeo (1963–)
  • Secretary of State (2018–2021)
• *William W. Popp (?–)
  • Chargé d’Affaires ad interim, Brazil (2018)
  • Ambassador Extraordinary and Plenipotentiary, Guatemala (2020)
• Edward C. Prado (?–)
  • Ambassador Extraordinary and Plenipotentiary, Argentina (2018)
• *David D. Reimer (?–)
  • Ambassador Extraordinary and Plenipotentiary, Mauritius (2017)
  • Ambassador Extraordinary and Plenipotentiary, Seychelles (2017)
• *Judy Rising Reinke (?–)
  • Ambassador Extraordinary and Plenipotentiary, Montenegro (2018)
• *Elizabeth H. Richard (?–)
  • Ambassador Extraordinary and Plenipotentiary, Lebanon (2016–2020)
• John C. Richmond (?–)
  • Ambassador at Large (2018)
• *Robert Annan Riley III (1955–)
  • Ambassador Extraordinary and Plenipotentiary, Micronesia, Federated States of (2016–2020)
• *Robert J. Riley (?–)
  • Chargé d’Affaires, Belarus (2018)
• *Hugo F. Rodriguez (?–)
  • Chargé d’Affaires ad interim, Paraguay (2018)
• *Elizabeth Rood (?–)
  • Chargé d’Affaires ad interim, Georgia (2018)
• Marie Royce (?–)
  • Assistant Secretary of State for Educational and Cultural Affairs (2018)
• *Eric Seth Rubin (1961–)
  • Ambassador Extraordinary and Plenipotentiary, Bulgaria (2015–2019)
• *Daniel H. Rubinstein (1967–)
  • Ambassador Extraordinary and Plenipotentiary, Tunisia (2015–2019)
• *Mark A. Schapiro (?–)
  • Chargé d’Affaires ad interim, Malta (2018–2020)
• *Kyle R. Scott (1957–)
  • Ambassador Extraordinary and Plenipotentiary, Serbia (2015–2019)
• *Nicole D. Shampaine (?–)
  • Chargé d’Affaires ad interim (2017–2018)
  • Chargé d’Affaires ad interim (2017–2018)
• *Thomas Alfred Shannon Jr. (1958–)
  • Assistant Secretary of State for Western Hemisphere Affairs (2005–2009)
  • Ambassador Extraordinary and Plenipotentiary, Brazil (2009–2013)
  • Career Ambassador (2012)
  • Counselor (2013–2016)
  • Under Secretary of State for Political Affairs (2016–2018)
  • Secretary of State ad interim (2017)
• *Adam M. Shub (?–)
  • Chargé d’Affaires ad interim (2017–2018)
• *Justin H. Siberell (1966–)
  • Ambassador Extraordinary and Plenipotentiary, Bahrain (2017–2020)
  • Director of the Bureau of Counterterrorism (Nomination of September 19, 2016, not acted upon by the Senate.)
• *Marc Jonathan Sievers (1955–)
  • Ambassador Extraordinary and Plenipotentiary, Oman (2015–2019)
• *Douglas Alan Silliman (1960–)
  • Ambassador Extraordinary and Plenipotentiary, Kuwait (2014–2016)
  • Ambassador Extraordinary and Plenipotentiary, Iraq (2016–2019)
• *Lawrence R. Silverman (?–)
  • Ambassador Extraordinary and Plenipotentiary, Kuwait (2016–2019)
• *Michele Jeanne Sison (1959–)
  • Ambassador Extraordinary and Plenipotentiary, United Arab Emirates (2004–2008)
  • Ambassador Extraordinary and Plenipotentiary, Lebanon (2008–2010)
  • Ambassador Extraordinary and Plenipotentiary, Maldives (2012–2014)
  • Ambassador Extraordinary and Plenipotentiary, Sri Lanka (2012–2014)
  • Ambassador Extraordinary and Plenipotentiary, Haiti (2018)
  • Career Ambassador (2018)
• Kiron Skinner (?–)
  • Director of Policy Planning (2018–2019)
• *Daniel Bennett Smith (1956–)
  • Executive Secretary (2007–2009)
  • Ambassador Extraordinary and Plenipotentiary, Greece (2010–2013)
  • Assistant Secretary of State for Intelligence and Research (2014–2018)
  • Career Ambassador (2018)
  • Director of the Foreign Service Institute (2018)
  • Secretary of State ad interim (2021)
• *Reece Smyth (?–)
  • Chargé d’Affaires ad interim, Ireland (2019)
• Gordon D. Sondland (?–)
  • Representative of the U.S.A. to the European Union, with the rank and status of Ambassador Extraordinary and Plenipotentiary (2018)
• *Pamela Leora Spratlen (1954–)
  • Ambassador Extraordinary and Plenipotentiary, Kyrgyzstan (2011–2014)
  • Ambassador Extraordinary and Plenipotentiary, Uzbekistan (2014–2018)
• *Adam H. Sterling (1960–)
  • Ambassador Extraordinary and Plenipotentiary, Slovakia (2016–2019)
• *Karen Brevard Stewart (1952–)
  • Ambassador Extraordinary and Plenipotentiary, Belarus (2006–2008)
  • Ambassador Extraordinary and Plenipotentiary, Laos (2010–2013)
  • Ambassador Extraordinary and Plenipotentiary, Marshall Islands (2016–2020)
• *James Story (?–)
  • Chargé d’Affaires, Venezuela (2018)
• *Kevin K. Sullivan (1964–)
  • Chargé d’Affaires ad interim, Argentina (2015)
  • Ambassador Extraordinary and Plenipotentiary, Nicaragua (2018)
• *Stephanie Sanders Sullivan (1958–)
  • Ambassador Extraordinary and Plenipotentiary, Congo (Brazzaville) (2013–2017)
  • Ambassador Extraordinary and Plenipotentiary, Ghana (2018)
• *W. Stuart Symington IV (1952–)
  • Ambassador Extraordinary and Plenipotentiary, Djibouti (2006–2008)
  • Ambassador Extraordinary and Plenipotentiary, Rwanda (2008–2011)
  • Ambassador Extraordinary and Plenipotentiary, Nigeria (2016–2019)
• *Stephanie Syptak-Ramnath (?–)
  • Chargé d’Affaires ad interim, Singapore (2019)
• *Lucy Tamlyn (1955–)
  • Ambassador Extraordinary and Plenipotentiary, Benin (2015–2018)
  • Ambassador Extraordinary and Plenipotentiary, Central African Republic (2019)
• Mary E. Taylor (?–)
  • Assistant Secretary of State for Legislative Affairs (2018)
• *Mara R. Tekach (?–)
  • Chargé d’Affaires, Cuba (2018–2020)
• *Alaina B. Teplitz (1969–)
  • Ambassador Extraordinary and Plenipotentiary, Nepal (2015–2018)
  • Ambassador Extraordinary and Plenipotentiary, Maldives (2018)
  • Ambassador Extraordinary and Plenipotentiary, Sri Lanka (2018)
• *Harry Keels Thomas Jr. (1956–)
  • Ambassador Extraordinary and Plenipotentiary, Bangladesh (2003–2005)
  • Executive Secretary (2005–2007)
  • Director General of the Foreign Service (2007–2009)
  • Ambassador Extraordinary and Plenipotentiary, Philippines (2010–2013)
  • Ambassador Extraordinary and Plenipotentiary, Zimbabwe (2015–2018)
• Andrea L. Thompson (?–)
  • Under Secretary of State for Arms Control and International Security Affairs (2018)
• Rex W. Tillerson (1952–)
  • Secretary of State (2017–2018)
• Trevor D. Traina (?–)
  • Ambassador Extraordinary and Plenipotentiary, Austria (2018)
• Carlos Trujillo (?–)
  • Permanent Representative of the U.S.A. to the Organization of American States (Washington) (2018)
• *Matthew Haywood Tueller (1957–)
  • Ambassador Extraordinary and Plenipotentiary, Kuwait (2011–2014)
  • Ambassador Extraordinary and Plenipotentiary, Yemen (2014–2019)
  • Ambassador Extraordinary and Plenipotentiary, Iraq (2019)
• *Krishna R. Urs (?–)
  • Ambassador Extraordinary and Plenipotentiary, Peru (2017–2020)
• *Margaret Ann Uyehara (1954–)
  • Ambassador Extraordinary and Plenipotentiary, Montenegro (2014–2018)
• *Peter H. Vrooman (?–)
  • Ambassador Extraordinary and Plenipotentiary, Rwanda (2018)
• Mary Kirtley Waters (1958–)
  • Assistant Secretary of State for Legislative Affairs (2017–2018)
• *Donna A. Welton (?–)
  • Chargé d’Affaires ad interim, Finland (2018)
• *Eric P. Whitaker (?–)
  • Ambassador Extraordinary and Plenipotentiary, Niger (2017)
• *Kevin M. Whitaker (1957–)
  • Ambassador Extraordinary and Plenipotentiary, Colombia (2014–2019)
• *Karen L. Williams (?–)
  • Ambassador Extraordinary and Plenipotentiary, Suriname (2018)
• *Bruce M. Williamson (?–)
  • Chargé d’Affaires, Bolivia (2020)
• Jackie Wolcott (?–)
  • Representative of the U.S.A. to the International Atomic Energy Agency (Vienna) (2018)
  • Representative of the U.S.A. to the Vienna Office of the United Nations (Vienna) (2018)
• *Henry T. Wooster (?–)
  • Chargé d’Affaires ad interim, Jordan (2017–2018)
  • Ambassador Extraordinary and Plenipotentiary, Jordan (2020)
• *Donald Y. Yamamoto (1953–)
  • Ambassador Extraordinary and Plenipotentiary, Djibouti (2000–2003)
  • Ambassador Extraordinary and Plenipotentiary, Ethiopia (2006–2009)
  • Ambassador Extraordinary and Plenipotentiary, Somalia (2018)
• *Robert T. Yamate (1950–)
  • Ambassador Extraordinary and Plenipotentiary, Comoros (2014–2018)
  • Ambassador Extraordinary and Plenipotentiary, Madagascar (2014–2018)
• *Andrew R. Young (?–)
  • Ambassador Extraordinary and Plenipotentiary, Burkina Faso (2016–2020)
• *Eugene Young (?–)
  • Chargé d’Affaires ad interim, Austria (2018)
• *Marie L. Yovanovitch (1958–)
  • Ambassador Extraordinary and Plenipotentiary, Kyrgyzstan (2004–2008)
  • Ambassador Extraordinary and Plenipotentiary, Armenia (2008–2011)
  • Ambassador Extraordinary and Plenipotentiary, Ukraine (2016–2019)
• *Melanie Zimmerman (?–)
  • Chargé d’Affaires ad interim, Mauritius (2018)
  • Chargé d’Affaires ad interim, Seychelles (2018)