Royal Taylor (1852 – 1855)
L. D. Mix (1855)
A. T. Allen (1855 – 1857)
Dr. A. H. Harlow (1857 – 1860)
Jas. Vincent (1860 – 1864)
W. S. Hayden (1864 – 1871)
C. W. Randall (1883 – 1887)
R. M. Collins (1887 – 1888)
F. P. Shumaker (1888 – 1901)
D. W. McGlenen (1901 – 1908)
E. C. Teare (1908 – 1916)
L. N. Drake (1916 – 1920)
W. L. Stoneburner (1920 1926)
H. E. Michael (1926 – 1931)
H. E. Zuber (1931 – 1934)
Lewis Sands (1934 – 1958)
Dr. Robert M. Finley (1958 – 1961)
Dr. Robert C. Crawse (1961 – 1964)
Dr. Warren Thomas (1964 – 1972)
Loyal Cornelius (1972 – 1982)
Dr. Bernard Mudrock (1983)
Dr. Arlene Rieger (1983 – 1990)
Dr. Jake Hudson (1990 – 1996)
Dr. Ruth Ann Plate (1996 – 2000)
Dr. David Axner (2000 – 2007)
Steven Thompson (2007 – 2011)
Dr. Bill Koons (2011 – 2012)
Bob Hunt (2011 – Present)