Jack Park
Park, 1960
Senate Majority Leader
Assumed office
June 3, 1965
Preceded byRobert Kennedy
Chair of the Senate Appropriations Committee
Assumed office
January 20, 1961
LeaderHimself
Preceded byPaul Litchfield
Chair of the Senate Armed Forces Committee
Assumed office
June 5, 1966
LeaderHimself
President Pro Tempore of the United States Senate
In office
January 20, 1961 – August 6, 1965
Preceded byPaul Lichfield
Succeeded byLars Niedermeyer
Senate Minority Whip
In office
January 3, 1957 – January 20, 1961
Preceded byKai Kahale
Succeeded byRobert Kennedy
United States Senator
from California
Assumed office
January 22, 1956
Preceded byKai Kahale
United States Ambassador to Japan
In office
July 22, 1955 – January 2, 1956
PresidentUlysses Grant III
Earl Browder
United States Ambassador to Shanxi
In office
April 3, 1954 – July 22, 1955
PresidentUlysses Grant III
Mayor of Los Angeles
In office
January 20, 1953 – March 24, 1954
Member of the Los Angeles City Council from the 12th district
In office
January 20, 1951 – January 20, 1953
Personal details
Born
Jackson Woosung Park

April 21, 1920 (age 49)
Sacramento, California, U.S.
Political partyDemocratic Labor
Spouse
Emily Herseth
(m. 1939)
Children3
Residence(s)Los Angeles, California, U.S.
EducationStanford University (BS, JD)
Occupation
  • Politician
  • lawyer
Signature
WebsiteSenate website

Jackson Woosung Park (b. April 21, 1920) is an American Democratic-Labor Party politician who represented California in the United States Senate since 1956. As the leader of the Senate Democratic-Labor Caucus since 1965.