- Susan J. Hunter, July 7, 2014 β June 30, 2018
- Paul W. Ferguson, July 1, 2011 β July 6, 2014
- Robert A. Kennedy, April 15, 2005 β June 30, 2011
- Peter S. Hoff, Aug. 1, 1997 β Aug. 15, 2004
- Frederick E. Hutchinson, April 1, 1992 β June 30, 1997
- Dale W. Lick, Sept. 1, 1986 β June 30, 1991
- Arthur M. Johnson, July 8, 1984 β Aug. 31, 1986
- Paul H. Silverman, April 25, 1980 – Aug. 31, 1984
- Howard R. Neville, Sept. 1, 1973 β Aug. 30, 1979
- Winthrop C. Libby, April 17, 1969 β Aug. 31, 1973
- Hugh Edwin Young, Oct. 1, 1965 β June 30, 1968
- Lloyd Hartman Elliott, July 1, 1958 β Sept. 30, 1965
- Arthur Andrew Hauck, July 1, 1934 β Feb. 28, 1958
- Harold Sherburne Boardman, June 13, 1926 β June 30, 1934
- Clarence Cook Little, April 8, 1922 β Aug. 31, 1925
- Robert Judson Aley, Jan. 1, 1911 β Aug. 5, 1921
- George E. Fellows, Jan. 1, 1902 β Aug. 31, 1910
- Abram Winegardner Harris, Sept. 1, 1893 β Dec. 31, 1901
- Merritt Caldwell Fernald, March 1879 β Aug. 31, 1893
- Charles Frederick Allen, Sept. 1, 1871-Dec. 31, 1878
Acting Presidents
- John A. Alexander, July 1, 1997 β July 31, 1997
- Gregory N. Brown, Feb. 24, 1992 β March 30, 1992
- Kenneth W. Allen, July 26, 1979 β Aug. 24, 1980
- Winthrop C. Libby, July 1, 1968 β April 16, 1969
- Joseph M. Murray, March 1, 1958 β June 30, 1958
- Harold Sherburne Boardman, Sept. 1, 1925 β June 12, 1926
- Governed by Joint Committee, Aug. 6, 1921 β April 7, 1922
- James Norris Hart, Sept. 1, 1910 β Dec. 31, 1910
- Merritt Caldwell Fernald, July 15, 1868 β Aug. 31, 1871
Interim Presidents
- Robert A. Kennedy, Aug. 16, 2004 β Apr. 15, 2005
- John C. Hitt, July 1, 1991 β Feb. 23, 1992