Principal Officers and Chiefs of Mission, by Year: 1928

Note: Career Foreign Service appointees are asterisked.

  • Gerhard Adolph Bading (1870–1946)
    • Envoy Extraordinary and Minister Plenipotentiary, Ecuador (1922–1929)
  • *Maxwell Blake (1877–1959)
    • Chargé d’Affaires ad interim, Morocco (1917)
    • Agent/Consul General, Morocco (1917–1922)
    • Diplomatic Agent/Consul General, Morocco (1925–1940)
  • *Robert Woods Bliss (1875–1962)
    • Third Assistant Secretary of State (1921–1923)
    • Envoy Extraordinary and Minister Plenipotentiary, Sweden (1923–1927)
    • Ambassador Extraordinary and Plenipotentiary, Argentina (1927–1933)
  • *Jefferson Caffery (1886–1974)
    • Chargé d’Affaires ad interim, Greece (1923)
    • Envoy Extraordinary and Minister Plenipotentiary, El Salvador (1926–1928)
    • Envoy Extraordinary and Minister Plenipotentiary, Colombia (1928–1933)
    • Assistant Secretary of State (1933)
    • Ambassador Extraordinary and Plenipotentiary, Cuba (1934–1937)
    • Ambassador Extraordinary and Plenipotentiary, Brazil (1937–1944)
    • Ambassador Extraordinary and Plenipotentiary, France (1944–1949)
    • Ambassador Extraordinary and Plenipotentiary, Egypt (1949–1955)
  • Wilbur John Carr (1870–1942)
    • Assistant Secretary of State (1924–1933)
    • Assistant Secretary of State (1933–1937)
    • Envoy Extraordinary and Minister Plenipotentiary, Czechoslovakia (1937–1939)
  • William Richards Castle Jr. (1878–1963)
    • Assistant Secretary of State (1927–1929)
    • Ambassador Extraordinary and Plenipotentiary, Japan (1929–1930)
    • Assistant Secretary of State (1930–1931)
    • Under Secretary of State (1931–1933)
  • Joshua Reuben Clark Jr. (1871–1961)
    • Under Secretary of State (1928–1929)
    • Ambassador Extraordinary and Plenipotentiary, Mexico (1930–1933)
  • Frederick William Backus Coleman (1874–1947)
    • Envoy Extraordinary and Minister Plenipotentiary, Estonia (1922–1931)
    • Envoy Extraordinary and Minister Plenipotentiary, Latvia (1922–1931)
    • Envoy Extraordinary and Minister Plenipotentiary, Lithuania (1922–1931)
    • Envoy Extraordinary and Minister Plenipotentiary, Denmark (1931–1933)
  • William Miller Collier (1867–1956)
    • Envoy Extraordinary and Minister Plenipotentiary, Spain (1905–1909)
    • Ambassador Extraordinary and Plenipotentiary, Chile (1921–1928)
  • Willis Clifford Cook (1874–1942)
    • Envoy Extraordinary and Minister Plenipotentiary, Venezuela (1921–1929)
  • Jesse Samuel Cottrell (1878–1944)
    • Envoy Extraordinary and Minister Plenipotentiary, Bolivia (1921–1928)
  • William Smith Culbertson (1884–1966)
    • Envoy Extraordinary and Minister Plenipotentiary, Romania (1925–1928)
    • Ambassador Extraordinary and Plenipotentiary, Chile (1928–1933)
  • Roy Tasco Davis (1889–1975)
    • Envoy Extraordinary and Minister Plenipotentiary, Guatemala (1921)
    • Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1922–1930)
    • Envoy Extraordinary and Minister Plenipotentiary, Panama (1929–1933)
    • Ambassador Extraordinary and Plenipotentiary, Haiti (1953–1957)
  • *Fred Morris Dearing (1879–1963)
    • Assistant Secretary of State (1921–1922)
    • Envoy Extraordinary and Minister Plenipotentiary, Portugal (1922–1930)
    • Ambassador Extraordinary and Plenipotentiary, Peru (1930–1937)
    • Envoy Extraordinary and Minister Plenipotentiary, Sweden (1937–1938)
  • Henry Percival Dodge (1870–1936)
    • Envoy Extraordinary and Minister Plenipotentiary, El Salvador (1907–1909)
    • Envoy Extraordinary and Minister Plenipotentiary, Honduras (1907–1909)
    • Envoy Extraordinary and Minister Plenipotentiary, El Salvador (1908)
    • Envoy Extraordinary and Minister Plenipotentiary, Morocco (1909–1910)
    • Envoy Extraordinary and Minister Plenipotentiary, Panama (1911–1913)
    • Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1919–1926)
    • Envoy Extraordinary and Minister Plenipotentiary, Denmark (1926–1930)
  • *James Clement Dunn (1890–1979)
    • Chargé d’Affaires ad interim, Haiti (1924)
    • Chief of Protocol (1928–1930)
    • Chief of Protocol (1933–1935)
    • Assistant Secretary of State for European, Far Eastern, Near Eastern, and African Affairs (1944–1946)
    • Ambassador Extraordinary and Plenipotentiary, Italy (1946–1952)
    • Ambassador Extraordinary and Plenipotentiary, France (1952–1953)
    • Ambassador Extraordinary and Plenipotentiary, Spain (1953–1955)
    • Ambassador Extraordinary and Plenipotentiary, Brazil (1955–1956)
    • Career Ambassador (1956)
  • *Charles Christopher Eberhardt (1871–1965)
    • Envoy Extraordinary and Minister Plenipotentiary, Nicaragua (1925–1929)
    • Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1930–1933)
  • Lewis David Einstein (1877–1967)
    • Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1911)
    • Envoy Extraordinary and Minister Plenipotentiary, Czechoslovakia (1921–1930)
  • *Henry Prather Fletcher (1873–1959)
    • Envoy Extraordinary and Minister Plenipotentiary, Chile (1909–1914)
    • Ambassador Extraordinary and Plenipotentiary, Chile (1914–1916)
    • Ambassador Extraordinary and Plenipotentiary, Mexico (1916–1919)
    • Under Secretary of State (1921–1922)
    • Ambassador Extraordinary and Plenipotentiary, Belgium (1922–1924)
    • Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1923–1924)
    • Ambassador Extraordinary and Plenipotentiary, Italy (1924–1929)
  • William Treyanne Francis (1870–1929)
    • Minister Resident/Consul General, Liberia (1927–1929)
  • Arthur H. Geissler (1877–1945)
    • Envoy Extraordinary and Minister Plenipotentiary, Guatemala (1922–1930)
    • Envoy Extraordinary and Minister Plenipotentiary, Thailand (1929)
  • *Hugh Simons Gibson (1883–1954)
    • Envoy Extraordinary and Minister Plenipotentiary, Poland (1919–1924)
    • Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1924–1927)
    • Ambassador Extraordinary and Plenipotentiary, Belgium (1927–1933)
    • Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1927–1933)
    • Ambassador Extraordinary and Plenipotentiary, Brazil (1933–1936)
    • Ambassador Extraordinary and Plenipotentiary, Belgium (1937–1938)
    • Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1937–1938)
  • *Ulysses Grant-Smith (1870–1959)
    • Envoy Extraordinary and Minister Plenipotentiary, Albania (1922–1925)
    • Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1925–1929)
  • *Joseph Clark Grew (1880–1965)
    • Chargé d’Affaires ad interim, Austria (1917)
    • Envoy Extraordinary and Minister Plenipotentiary, Denmark (1920–1921)
    • Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1921–1924)
    • Under Secretary of State (1924–1927)
    • Ambassador Extraordinary and Plenipotentiary, Turkey (1927–1932)
    • Ambassador Extraordinary and Plenipotentiary, Japan (1932–1941)
    • Under Secretary of State (1944–1945)
    • Secretary of State ad interim (1945)
  • *Franklin Mott Gunther (1885–1941)
    • Envoy Extraordinary and Minister Plenipotentiary, Egypt (1928–1930)
    • Envoy Extraordinary and Minister Plenipotentiary, Ecuador (1930)
    • Envoy Extraordinary and Minister Plenipotentiary, Romania (1937–1941)
  • Ogden Haggerty Hammond (1869–1956)
    • Ambassador Extraordinary and Plenipotentiary, Spain (1925–1929)
  • *Leland Harrison (1883–1951)
    • Assistant Secretary of State (1922–1924)
    • Assistant Secretary of State (1924–1927)
    • Envoy Extraordinary and Minister Plenipotentiary, Sweden (1927–1929)
    • Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1929–1930)
    • Envoy Extraordinary and Minister Plenipotentiary, Romania (1935–1937)
    • Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1937–1947)
  • Charles Calmer Hart (1878–1956)
    • Envoy Extraordinary and Minister Plenipotentiary, Albania (1925–1928)
    • Envoy Extraordinary and Minister Plenipotentiary, Albania (1929)
    • Envoy Extraordinary and Minister Plenipotentiary, Iran (1929–1933)
  • Myron Timothy Herrick (1854–1929)
    • Ambassador Extraordinary and Plenipotentiary, France (1912–1914)
    • Ambassador Extraordinary and Plenipotentiary, France (1921–1929)
  • Alanson Bigelow Houghton (1863–1941)
    • Ambassador Extraordinary and Plenipotentiary, Germany (1922–1925)
    • Ambassador Extraordinary and Plenipotentiary, United Kingdom (1925–1929)
  • *Nelson Trusler Johnson (1887–1954)
    • Assistant Secretary of State (1927–1929)
    • Envoy Extraordinary and Minister Plenipotentiary, China (1929–1935)
    • Ambassador Extraordinary and Plenipotentiary, China (1935–1941)
    • Envoy Extraordinary and Minister Plenipotentiary, Australia (1941–1945)
  • Noble Brandon Judah (1884–1938)
    • Ambassador Extraordinary and Plenipotentiary, Cuba (1927–1929)
  • David E. Kaufman (1883–1962)
    • Envoy Extraordinary and Minister Plenipotentiary, Bolivia (1928–1929)
    • Envoy Extraordinary and Minister Plenipotentiary, Thailand (1930–1933)
  • Frank Billings Kellogg (1856–1937)
    • Ambassador Extraordinary and Plenipotentiary, United Kingdom (1923–1925)
    • Secretary of State (1925–1929)
  • George Lewis Kreeck (1882–1945)
    • Envoy Extraordinary and Minister Plenipotentiary, Paraguay (1925–1930)
  • Harold Orville MacKenzie (1886–1980)
    • Envoy Extraordinary and Minister Plenipotentiary, Thailand (1927–1930)
  • *John Van Antwerp MacMurray (1881–1960)
    • Assistant Secretary of State (1924–1925)
    • Envoy Extraordinary and Minister Plenipotentiary, China (1925–1929)
    • Envoy Extraordinary and Minister Plenipotentiary, Estonia (1933–1936)
    • Envoy Extraordinary and Minister Plenipotentiary, Latvia (1933–1936)
    • Envoy Extraordinary and Minister Plenipotentiary, Lithuania (1933–1936)
    • Ambassador Extraordinary and Plenipotentiary, Turkey (1936–1941)
  • Charles MacVeagh (1860–1931)
    • Ambassador Extraordinary and Plenipotentiary, Japan (1925–1928)
  • Alexander Pollock Moore (1867–1930)
    • Ambassador Extraordinary and Plenipotentiary, Spain (1923–1925)
    • Ambassador Extraordinary and Plenipotentiary, Peru (1928–1929)
    • Ambassador Extraordinary and Plenipotentiary, Poland (1930)
  • Edwin Vernon Morgan (1865–1934)
    • Envoy Extraordinary and Minister Plenipotentiary, Cuba (1905–1910)
    • Envoy Extraordinary and Minister Plenipotentiary, Korea (1905)
    • Envoy Extraordinary and Minister Plenipotentiary, Paraguay (1909–1911)
    • Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1909–1911)
    • Envoy Extraordinary and Minister Plenipotentiary, Portugal (1911–1912)
    • Ambassador Extraordinary and Plenipotentiary, Brazil (1912–1933)
  • Dwight Whitney Morrow (1873–1931)
    • Ambassador Extraordinary and Plenipotentiary, Mexico (1927–1930)
  • Robert Edwin Olds (1875–1932)
    • Assistant Secretary of State (1925–1927)
    • Under Secretary of State (1927–1928)
  • Alfred John Pearson (1869–1939)
    • Envoy Extraordinary and Minister Plenipotentiary, Poland (1924–1925)
    • Envoy Extraordinary and Minister Plenipotentiary, Finland (1925–1930)
  • Hoffman Philip (1872–1951)
    • Minister Resident/Consul General, Ethiopia (1908–1910)
    • Envoy Extraordinary and Minister Plenipotentiary, Colombia (1917–1922)
    • Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1922–1925)
    • Envoy Extraordinary and Minister Plenipotentiary, Iran (1925–1928)
    • Envoy Extraordinary and Minister Plenipotentiary, Norway (1930–1935)
    • Ambassador Extraordinary and Plenipotentiary, Chile (1935–1937)
  • *William Phillips (1878–1968)
    • Third Assistant Secretary of State (1909)
    • Third Assistant Secretary of State (1914–1917)
    • Assistant Secretary of State (1917–1920)
    • Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1920–1922)
    • Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1920–1922)
    • Under Secretary of State (1922–1924)
    • Ambassador Extraordinary and Plenipotentiary, Belgium (1924–1927)
    • Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1924–1927)
    • Envoy Extraordinary and Minister Plenipotentiary, Canada (1927–1929)
    • Under Secretary of State (1933–1936)
    • Ambassador Extraordinary and Plenipotentiary, Italy (1936–1941)
  • Samuel Henry Piles (1858–1940)
    • Envoy Extraordinary and Minister Plenipotentiary, Colombia (1922–1928)
  • Miles Poindexter (1868–1946)
    • Ambassador Extraordinary and Plenipotentiary, Peru (1923–1928)
  • John Dyneley Prince (1868–1945)
    • Envoy Extraordinary and Minister Plenipotentiary, Denmark (1921–1926)
    • Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1926–1932)
  • *Warren Delano Robbins (1885–1935)
    • Envoy Extraordinary and Minister Plenipotentiary, El Salvador (1928–1931)
    • Chief of Protocol (1931–1933)
    • Envoy Extraordinary and Minister Plenipotentiary, Canada (1933–1935)
  • *Hans Frederick Arthur Schoenfeld (1889–1952)
    • Envoy Extraordinary and Minister Plenipotentiary, Bulgaria (1928)
    • Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1929)
    • Envoy Extraordinary and Minister Plenipotentiary, Dominican Republic (1931–1937)
    • Envoy Extraordinary and Minister Plenipotentiary, Finland (1937–1942)
    • Envoy Extraordinary and Minister Plenipotentiary, Hungary (1945–1947)
  • Jacob Gould Schurman (1854–1942)
    • Envoy Extraordinary and Minister Plenipotentiary, Greece (1912–1913)
    • Envoy Extraordinary and Minister Plenipotentiary, Montenegro (1912–1913)
    • Envoy Extraordinary and Minister Plenipotentiary, China (1921–1925)
    • Ambassador Extraordinary and Plenipotentiary, Germany (1925–1930)
  • *Robert Peet Skinner (1866–1960)
    • Envoy Extraordinary and Minister Plenipotentiary, Greece (1926–1932)
    • Envoy Extraordinary and Minister Plenipotentiary, Estonia (1931–1933)
    • Envoy Extraordinary and Minister Plenipotentiary, Latvia (1931–1933)
    • Envoy Extraordinary and Minister Plenipotentiary, Lithuania (1931–1933)
    • Ambassador Extraordinary and Plenipotentiary, Turkey (1933–1936)
  • John Glover South (1873–1940)
    • Envoy Extraordinary and Minister Plenipotentiary, Panama (1921–1930)
    • Envoy Extraordinary and Minister Plenipotentiary, Portugal (1929–1933)
  • *Addison E. Southard (1884–1970)
    • Minister Resident/Consul General, Ethiopia (1927–1934)
  • *Frederick Augustine Sterling (1876–1957)
    • Envoy Extraordinary and Minister Plenipotentiary, Ireland (1927–1934)
    • Envoy Extraordinary and Minister Plenipotentiary, Bulgaria (1933–1936)
    • Envoy Extraordinary and Minister Plenipotentiary, Estonia (1937)
    • Envoy Extraordinary and Minister Plenipotentiary, Latvia (1937)
    • Envoy Extraordinary and Minister Plenipotentiary, Sweden (1938–1941)
  • John Batterson Stetson Jr. (1884–1952)
    • Envoy Extraordinary and Minister Plenipotentiary, Finland (1925)
    • Envoy Extraordinary and Minister Plenipotentiary, Poland (1925–1929)
  • *George Thomas Summerlin (1872–1947)
    • Chargé d’Affaires ad interim, Mexico (1924)
    • Envoy Extraordinary and Minister Plenipotentiary, Honduras (1925–1929)
    • Envoy Extraordinary and Minister Plenipotentiary, Venezuela (1929–1935)
    • Envoy Extraordinary and Minister Plenipotentiary, Panama (1934)
    • Envoy Extraordinary and Minister Plenipotentiary, Panama (1935–1937)
    • Chief of Protocol (1937)
  • Laurits Selmer Swenson (1865–1947)
    • Envoy Extraordinary and Minister Plenipotentiary, Denmark (1897–1905)
    • Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1909–1911)
    • Envoy Extraordinary and Minister Plenipotentiary, Norway (1911–1913)
    • Envoy Extraordinary and Minister Plenipotentiary, Norway (1921–1930)
    • Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1931–1934)
  • Richard Montgomery Tobin (1866–1952)
    • Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1923–1929)
    • Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1923)
    • Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1923)
  • Albert Henry Washburn (1866–1930)
    • Envoy Extraordinary and Minister Plenipotentiary, Austria (1922–1930)
  • *Francis White (1892–1961)
    • Assistant Secretary of State (1927–1933)
    • Envoy Extraordinary and Minister Plenipotentiary, Czechoslovakia (1933)
    • Ambassador Extraordinary and Plenipotentiary, Mexico (1953–1957)
    • Ambassador Extraordinary and Plenipotentiary, Sweden (1957–1958)
  • *Charles Stetson Wilson (1873–1947)
    • Chargé d’Affaires ad interim, Bulgaria (1921)
    • Envoy Extraordinary and Minister Plenipotentiary, Bulgaria (1921–1928)
    • Envoy Extraordinary and Minister Plenipotentiary, Romania (1928–1933)
    • Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1933–1937)
  • *Hugh Robert Wilson (1885–1946)
    • Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1927–1937)
    • Assistant Secretary of State (1937–1938)
    • Ambassador Extraordinary and Plenipotentiary, Germany (1938)
  • *Joshua Butler Wright (1877–1939)
    • Third Assistant Secretary of State (1923–1924)
    • Assistant Secretary of State (1924–1927)
    • Envoy Extraordinary and Minister Plenipotentiary, Hungary (1927–1930)
    • Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1930–1934)
    • Envoy Extraordinary and Minister Plenipotentiary, Czechoslovakia (1934–1937)
    • Ambassador Extraordinary and Plenipotentiary, Cuba (1937–1939)
  • Evan Erastus Young (1878–1946)
    • Envoy Extraordinary and Minister Plenipotentiary, Ecuador (1911–1912)
    • Envoy Extraordinary and Minister Plenipotentiary, Dominican Republic (1925–1929)
    • Envoy Extraordinary and Minister Plenipotentiary, Bolivia (1929)