Alexander R. Magruder – Career FSO
Title: Chargé d'Affaires
Appointed: Not commissioned
Presented credentials: March 19, 1920
Terminated mission: Superseded by incoming ambassador February 17, 1922
Charles L. Kagey – Political appointee
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: October 8, 1921
Presented credentials: February 17, 1922
Terminated mission: Left post March 24, 1925
John B. Stetson Jr. – Political appointee
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: May 7, 1925
Presented credentials: Did not present credentials, did not serve
Alfred J. Pearson – Political appointee
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: June 23, 1925
Presented credentials: September 5, 1925
Terminated mission: Left post April 30, 1930
Edward E. Brodie – Political appointee
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: January 31, 1930
Presented credentials: May 16, 1930
Terminated mission: Left post September 21, 1933
Edward Albright – Political appointee
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: July 21, 1933
Presented credentials: October 5, 1933
Terminated mission: Left post April 12, 1937
H. F. Arthur Schoenfeld – Career FSO
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: April 22, 1937
Presented credentials: July 2, 1937
Terminated mission: Left post December 17, 1942
Note: The United States severed diplomatic relations with Finland on June 30, 1944, as result of Finland’s war against the Soviet Union.
At that time the Soviet Union was an ally of the United States.
Edmund A. Gullion was serving as Chargé d'Affaires ad interim when the relations were severed.

Note: The United States reestablished diplomatic relations with Finland after World War II.
The legation in Helsinki was reestablished September 1, 1945, with Benjamin M. Hulley as Chargé d'Affaires ad interim.

Maxwell M. Hamilton – Career FSO
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: September 25, 1945
Presented credentials: March 26, 1946
Terminated mission: Left post August 25, 1947
Avra M. Warren – Career FSO
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: December 18, 1947
Presented credentials: February 10, 1948
Terminated mission: Left post February 18, 1950
John M. Cabot – Career FSO
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: February 2, 1950
Presented credentials: February 27, 1950
Terminated mission: Left post September 20, 1952
Jack K. McFall – Career FSO
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: September 10, 1952
Presented credentials: November 15, 1952
Terminated mission: Promoted to Ambassador Extraordinary and Plenipotentiary September 15, 1954 and continued to serve.

Note: The legation in Helsinki was raised to embassy status on September 10, 1954.
Concurrently the post of Minister became that of Ambassador Extraordinary and Plenipotentiary.

Jack K. McFall – Career FSO
Title: Ambassador Extraordinary and Plenipotentiary
Appointed: September 15, 1954
Presented credentials: September 17, 1954
Terminated mission: Left post September 19, 1955
John D. Hickerson – Career FSO
Title: Ambassador Extraordinary and Plenipotentiary
Appointed: October 4, 1955
Presented credentials: November 23, 1955
Terminated mission: Left post November 3, 1959
Edson O. Sessions – Political appointee
Title: Ambassador Extraordinary and Plenipotentiary
Appointed: October 20, 1959
Presented credentials: November 28, 1959
Terminated mission: Left post November 20, 1960
Bernard Gufler – Career FSO
Title: Ambassador Extraordinary and Plenipotentiary
Appointed: February 24, 1961
Presented credentials: April 14, 1961
Terminated mission: Left post April 18, 1963
Carl T. Rowan – Political appointee
Title: Ambassador Extraordinary and Plenipotentiary
Appointed: March 9, 1963
Presented credentials: May 21, 1963
Terminated mission: Left post February 8, 1964
Tyler Thompson – Career FSO
Title: Ambassador Extraordinary and Plenipotentiary
Appointed: July 31, 1964
Presented crede
Alexander R. Magruder – Career FSO
Title: Chargé d'Affaires
Appointed: Not commissioned
Presented credentials: March 19, 1920
Terminated mission: Superseded by incoming ambassador February 17, 1922
Charles L. Kagey – Political appointee
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: October 8, 1921
Presented credentials: February 17, 1922
Terminated mission: Left post March 24, 1925
John B. Stetson Jr. – Political appointee
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: May 7, 1925
Presented credentials: Did not present credentials, did not serve
Alfred J. Pearson – Political appointee
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: June 23, 1925
Presented credentials: September 5, 1925
Terminated mission: Left post April 30, 1930
Edward E. Brodie – Political appointee
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: January 31, 1930
Presented credentials: May 16, 1930
Terminated mission: Left post September 21, 1933
Edward Albright – Political appointee
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: July 21, 1933
Presented credentials: October 5, 1933
Terminated mission: Left post April 12, 1937
H. F. Arthur Schoenfeld – Career FSO
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: April 22, 1937
Presented credentials: July 2, 1937
Terminated mission: Left post December 17, 1942
Note: The United States severed diplomatic relations with Finland on June 30, 1944, as result of Finland’s war against the Soviet Union. At that time the Soviet Union was an ally of the United States. Edmund A. Gullion was serving as Chargé d'Affaires ad interim when the relations were severed.
Note: The United States reestablished diplomatic relations with Finland after World War II. The legation in Helsinki was reestablished September 1, 1945, with Benjamin M. Hulley as Chargé d'Affaires ad interim.
Maxwell M. Hamilton – Career FSO
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: September 25, 1945
Presented credentials: March 26, 1946
Terminated mission: Left post August 25, 1947
Avra M. Warren – Career FSO
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: December 18, 1947
Presented credentials: February 10, 1948
Terminated mission: Left post February 18, 1950
John M. Cabot – Career FSO
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: February 2, 1950
Presented credentials: February 27, 1950
Terminated mission: Left post September 20, 1952
Jack K. McFall – Career FSO
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointed: September 10, 1952
Presented credentials: November 15, 1952
Terminated mission: Promoted to Ambassador Extraordinary and Plenipotentiary September 15, 1954 and continued to serve.
Note: The legation in Helsinki was raised to embassy status on September 10, 1954. Concurrently the post of Minister became that of Ambassador Extraordinary and Plenipotentiary.
Jack K. McFall – Career FSO
Title: Ambassador Extraordinary and Plenipotentiary
Appointed: September 15, 1954
Presented credentials: September 17, 1954
Terminated mission: Left post September 19, 1955
John D. Hickerson – Career FSO
Title: Ambassador Extraordinary and Plenipotentiary
Appointed: October 4, 1955
Presented credentials: November 23, 1955
Terminated mission: Left post November 3, 1959
Edson O. Sessions – Political appointee
Title: Ambassador Extraordinary and Plenipotentiary
Appointed: October 20, 1959
Presented credentials: November 28, 1959
Terminated mission: Left post November 20, 1960
Bernard Gufler – Career FSO
Title: Ambassador Extraordinary and Plenipotentiary
Appointed: February 24, 1961
Presented credentials: April 14, 1961
Terminated mission: Left post April 18, 1963
Carl T. Rowan – Political appointee
Title: Ambassador Extraordinary and Plenipotentiary
Appointed: March 9, 1963
Presented credentials: May 21, 1963
Terminated mission: Left post February 8, 1964
Tyler Thompson – Career FSO
Title: Ambassador Extraordinary and Plenipotentiary
Appointed: July 31, 1964
Presented crede
List of ambassadors of the United States to Finland