J. Homer Dickson*------------July 1, 1907 to July 1, 1908
W. H. Thomas*---------------July 1, 1922 to July 1, 1923
Fred Merriam*----------------July 1, 1930 to July 1, 1931
Arthur C. Mink*---------------July 1, 1937 to July 1, 1938
J. Leo Sterling*---------------July 1, 1942 to July 1, 1943
Chris A. Gelbach*-------------July 1, 1947 to July 1, 1948
F. Eugene Crawford*-----------July 1, 1957 to July 1, 1958
Floyd A. Rush*----------------July 1, 1962 to July 1, 1963
Clarence C. Amerine*----------July 1, 1967 to July 1, 1968
Dudley H. Vanbuskirk*---------July 1, 1973 to July 1, 1974
James P. Rupp*---------------July 1, 1980 to July 1, 1981
Harvey L. Hahn*--------------July 1, 1989 to July 1, 1990
William J. Hartless-------------July 1, 2008 to July 1, 2010
Page Dexter----------------------July 1, 2016 to July 1, 2018
* Deceased
By Affilliation
George Uhland----------------July 1, 1993 to July 1, 1994
H. James DuMond--------------July 1, 1991 to July 1, 1992
Donald L. Wells Jr.----------------July 1, 2010 to July 1 2011