Principal Officers and Chiefs of Mission, by Year: 1799

NOTE TO READERS

Updates to the Principal Officers and Chiefs of Mission database are currently suspended. For information about the Department’s current and recent leadership, we recommend visiting the Department of State homepage’s Biographies of Senior Officials and List of U.S. Ambassadors.

Notice posted on January 12, 2024.
Last updated March 14, 2024.

Note: Career Foreign Service appointees are asterisked.

John Quincy Adams (1767–1848)
- Minister Resident, Netherlands (1794–1797)
- Minister Plenipotentiary, Portugal (1796)
- Minister Plenipotentiary, Germany (1797–1801)
- Minister Plenipotentiary, Russia (1809–1814)
- Envoy Extraordinary and Minister Plenipotentiary, United Kingdom (1815–1817)
- Secretary of State (1817–1825)
David Humphreys (1752–1818)
- Minister Resident, Portugal (1791–1797)
- Minister Plenipotentiary, Spain (1796–1801)
Rufus King (1755–1827)
- Minister Plenipotentiary, United Kingdom (1796–1803)
- Envoy Extraordinary and Minister Plenipotentiary, United Kingdom (1825–1826)
William Vans Murray (1760–1803)
- Minister Resident, Netherlands (1797–1801)
- Minister Plenipotentiary, France (Not commissioned; nomination superseded by a nomination of Murray and two others to serve on a joint commission.)
Timothy Pickering (1745–1829)
- Secretary of State ad interim (1795)
- Secretary of State (1795–1800)
William Loughton Smith (1758–1812)
- Minister Plenipotentiary, Portugal (1797–1801)
Jacob Wagner (?–?)
- Chief Clerk (1798–1807)