| Kenneth D Burdick | July 1951 to 1970 |
| Gail J Sweany | 1970 to August 1986 |
| Carole L Reeves (deceased) | August 1986 to March 1987 |
| Gary Heine (Interim) | March 1987 to August 1988 |
| John J. Miller | August 1988 to February 1990 |
| Susan L Gianakon | February 1990 to July 1990 |
| Gary Heine (temporary) | July 1990 to August 1990 |
| Anthony Pluta | August 1990 to December 2007 |
| Debbie Mootz | December 2007 to August 2014 |
| Kelley Nielsen | August 2014 to Current |