| Robert R. Templeton, Kaysville, UT | 1979-1981 |
| Bill E. Buis, Liverpool, NY | 1981-1983 |
| Rodney A. Herrmann, Pittsburgh, PA | 1983-1987 |
| Thomas J. Koesll, Bailey’s Harbor, WI | 1987-1991 |
| Larry J. Rogers, Grand Island, NE | 1991-1993 |
| Homer C. Tyler, Jefferson City, MO | 1993-1994 |
| Terry Baxa, Sioux Falls, SD | 1994-2001 |
| Gary Chatham, Tennessee Colony, TX | 2001-2007 |
| H.M. Shirley, Spring Hill, Fl | 2007-2009 |
| Gary Chatham, Tennessee Colony, TX | 2009-2011 |
| Charles P. Wagner, Covington, KY | 2011-2019 |
| Mark Hannah, Denton, TX | 2019-2023 |
| Kevin Miller, Mesa, AZ | 2023-Present |
