Dr. Pick 1900-?                                                  Dr. Jim Connell 1976-78

Dr. Thomas A. Schneckloth 1902-56                  Dr. Ron Fabrizius 1978-92

Dr. R.J. Haberman 1910-56                               Dr. Gary Maloney 1978-79

Dr. Thomas Schneckloth Jr. 1949-60                  Dr. Roger Symensma 1979-87

Dr. Wendel Cooper 1960-1964                         Dr. Mark Thomas 1981-84     

Dr. Larry Smith 1965-90                                    Dr. Hank Clemens 1985-87

Dr. Richard Schmidt 1966-94                            Dr. Mitch Palmer 1989-91

Dr. Bob Rowe 1972                                          Dr. Mike Maroney 1992-93

Dr. Dean Peterson 1972-73                               Dr. Bob Nagel 1998-2000

Dr. Jim Schmidt 1973-74                                   Dr. Jayne Yelk 1999-2008

Dr. Jerry Neid 1973                                         Dr. John Weber 2000-2006

Dr. Al Prudem 1974                                         Dr. Amy Mueller 2003-2008
 
Dr. David Mills 1974-76                                  Dr. Laura Lemmons 2004-2007

Dr. Mike Storer 1974-85                                Dr. Mark Grundahl 2008-2009