| Number | Begin | End | Name |
| 37 | December 2023 | | Brendan Mauer |
| 36 | December 2021 | December 2023 | Christian Broekhuizen |
| 35 | December 2020 | December 2021 | Tate A. Woody |
| 34 | December 2019 | December 2020 | Garrett C. Wortham |
| 33 | January 2019 | December 2019 | Trevon J. Jones |
| 32 | January 2017 | January 2017 | Mac M. Moore |
| 31 | January 2017 | January 2019 | Dillon W. Hendricks |
| 30 | September 2015 | January 2017 | Jessey A. Goodman |
| 29 | December 2014 | September 2015 | Mr. Isaac R. Niedrauer |
| 28 | December 2013 | December 2014 | James C. Luce |
| 27 | November 2012 | December 2013 | Jason Switlik |
| 26 | December 2011 | November 2012 | Hunter V. Buck |
| 25 | December 2010 | December 2011 | Jack McCann |
| 24 | November 2009 | December 2010 | Ryan Meredith |
| 23 | December 2008 | November 2009 | Luis Acosta |
| 22 | May 2008 | December 2008 | Benjamin M. Sterken |
| 21 | May 2007 | May 2008 | Duane B. Mancill |
| 20 | September 2006 | May 2007 | Tyler Bishop |
| 19 | May 2005 | August 2006 | Chris Dudley |
| 18 | August 2004 | May 2005 | Bradley Wilson |
| 17 | January 2004 | August 2004 | Seth D. Feldman |
| 16 | April 2003 | January 2004 | J. T. Garrett |
| 15 | June 2002 | April 2003 | Bruce E Burnham II |
| 14 | January 2002 | June 2002 | Anthony J. Nettuno |
| 13 | May 2000 | January 2002 | Jeff H. Davis |
| 12 | May 1999 | May 2000 | Paul M. Knowles |
| 11 | July 1998 | May 1999 | Jeff B. McNutt |
| 10 | April 1997 | July 1998 | Dr. Trey L. Turner III, Ph.D. |
| 9 | December 1996 | April 1997 | Colby C Morris |
| 8 | January 1986 | December 1986 | Douglas S. Kerley |
| 7 | January 1980 | December 1980 | Shaugn S Stanley Jr. |
| 6 | January 1976 | December 1977 | Robert G. Nelson |
| 5 | January 1974 | December 1974 | Steven P. Hagemann |
| 3 | January 1973 | December 1973 | James P. Hurst |
| 4 | January 1973 | December 1974 | James Ruggerio, Jr. |
| 2 | January 1972 | December 1972 | John C. Anderson |
| 1 | | | Paul M. Stehr |