1891 March 22 David Starr Jordan appointed first President
1913 May 20 John Casper Branner appointed second President
1915 October 13 Ray Lyman Wilbur appointed third President
1943 January 21 Donald B. Tresidder appointed fourth President
1949 April 1 J. E. Wallace Sterling appointed fifth President
1968 December 1 Kennth S. Pitzer appointed sixth President
1970 September 24 Richard W. Lyman appointed seventh President
1980 August 1 Donald Kennedy appointed eighth President
1992 September 1 Gerhard Casper appointed ninth President
2000 September 1 John Hennessy appointed tenth President