In the history of the Boston Red Sox, there have been 11 different majority owners. They are listed here in order of their first season as majority owner. John Henry, in partnership with Tom Werner, purchased the Boston Red Sox in 2002.
- Charles Somer, 1901 – 1903
- Henry Killilea, 1903 – 1904
- John I. Taylor, 1904 – 1911
- Jimmy McAleer, 1911 – 1913
- Joseph Lannin, 1913 – 1916
- Harry Frazee, 1916 – 1923
- Bob Quinn, 1923 – 1933
- Tom Yawkey, 1933 – 1976
- Jean Yawkey, 1976 – 1992
- John Harrington, 1992 – 2001
- John Henry, 2001 – present
In most instances, the team president and the owner have been the same. With Henry’s purchase of the Red Sox in 2001, the responsibility of team president shifted to Larry Lucchino, who served from 2001 until 2015. The role is now held by Sam Kennedy.
- Charles Somer, 1901 – 1903
- Henry Killilea, 1903 – 1904
- John I. Taylor, 1904 – 1911
- Jimmy McAleer, 1911 – 1913
- Joseph Lannin, 1913 – 1916
- Harry Frazee, 1916 – 1923
- Bob Quinn, 1923 – 1933
- Tom Yawkey, 1933 – 1976
- Jean Yawkey, 1976 – 1993
- John Harrington, 1993 – 2001
- Larry Lucchino, 2001 – 2015
- Sam Kennedy: 2015—present