In the history of the Boston Red Sox, there have been 14 different general managers. They are listed here in order of their first season as general manager. At present, Brian O’Halloran serves as the GM under President of Baseball Operations Chaim Bloom, the first person to serve exclusively in that role since Mike Hazen resigned from the position in October 2016.
- Eddie Collins, 1933 – 1947
- Joe Cronin, 1947 – 1958
- Bucky Harris, 1959 – 1960
- Dick O’Connell, 1960 – 1962 (acting)
- Pinky Higgins, 1962 – 1965
- Dick O’Connell, 1965 – 1977
- Haywood Sullivan, 1977 – 1984
- Lou Gorman, 1984 – 1993, 1993 – 1994 (acting)
- Dan Duquette, 1994 – 2002
- Mike Port, 2002 (interim)
- Theo Epstein, 2002 – 2005
- Ben Cherington and Jed Hoyer (co-GMs), 2005 – 2006
- Theo Epstein, 2006 – 2011
- Ben Cherington, 2011 – 2015
- Mike Hazen, 2015 – 2016
- Brian O’Halloran, 2019 – present