Murray D. Van Wagoner
1950 – 1986

Fred M. Zeder
1950 – 1951

Mead L. Bricker
1951 – 1964

Elizabeth Briggs Fisher
1958 – 1967

Ben W. Calvin
1964 – 1977

Wheeler J. Witte
1967 – 1970

Charles T. Fisher III
1967 – 1997

O.K. Grettenberger
1970 – 1991

George W. Wilson
1972 – 1989

Ralph B. K. Peterson
1974 – 1987

Mary S. Sharp
1979 – 1981

Delores Ferguson
1981 – 1996

Patrick P Gribben, Jr.
1987 – 1999

Jon G. LaSalle
1987 – 1994
2004 – 2005

Eunice K. Bareham
1989 – 1996

Jack D. Krueger
1994 – 1999

Thomas Guastello
1998 – 2004

Cameron G. Priebe
1998 – 2004

Elsa C. Schaller
1996 – 2006

Angelo S. Lanni
1996 – 2006

Murray D. Wikol
1991 – 2014

Robert C. Struck
2006 – 2014

Barbara Arens
2014 -2018

R. Dan Musser III
2012-2018

William H. Gnodtke
1997-2018