| Number | Begin | End | Name |
| 39 | November 2025 | | Nolan C. Brooks |
| 38 | November 2023 | November 2025 | Logan J. Johnson |
| 37 | November 2022 | November 2023 | Jacob L. Montesclaros |
| 36 | December 2021 | November 2022 | Tyler B. Schernbeck |
| 35 | August 2021 | December 2021 | Bill J. Karels |
| 34 | January 2021 | August 2021 | Zane A. Coyle |
| 33 | November 2019 | January 2021 | Derek H. Springis |
| 32 | December 2018 | November 2019 | Alec Rynda |
| 31 | December 2017 | December 2018 | Justin E. Wheeler |
| 30 | May 2017 | December 2017 | Marshall R. Mastenbrook |
| 29 | January 2017 | May 2017 | Stone N. Nguenkam |
| 28 | November 2015 | January 2017 | Anders A. Nygaard |
| 27 | November 2014 | November 2015 | Jesse F. Aland |
| 26 | January 2014 | November 2014 | Kevin M. Anys |
| 25 | December 2012 | January 2014 | Nicholas W. Holm |
| 24 | December 2010 | December 2012 | Raymond Wheeler III |
| 23 | January 2010 | December 2010 | Justin Brown |
| 22 | January 2009 | January 2010 | Mike Marohnic |
| 21 | October 2007 | January 2009 | John C. Slavik |
| 20 | August 2006 | October 2007 | Russell S. Close |
| 19 | May 2005 | August 2006 | Christopher N. Frederick |
| 18 | February 2004 | May 2005 | Thor J. Morales |
| 17 | January 2003 | February 2004 | Eric R. Miller |
| 16 | November 2001 | January 2003 | Justin R. Evans |
| 15 | February 2001 | November 2001 | Bryan M. Bloomquist |
| 14 | November 2000 | February 2001 | Richard E. O'Donnell |
| 13 | January 2000 | November 2000 | Christopher Wachowiak |
| 12 | September 1999 | January 2000 | Mr. Michael J. Vawracz IV |
| 11 | April 1999 | September 1999 | David A. Gansen II |
| 10 | September 1998 | March 1999 | David A. Gansen II |
| 9 | January 1997 | September 1998 | Richard A. Lander |
| 8 | February 1995 | January 1997 | Michael D. Lindamood |
| 7 | January 1994 | November 1994 | Matthew R. Patrick |
| 6 | January 1993 | January 1994 | Trevor L. Michael |
| 5 | January 1977 | December 1977 | Billy L. Lehto |
| 4 | January 1972 | December 1972 | Edward J. McCormick |
| 3 | January 1965 | December 1965 | Howie N. Gangestad |
| 2 | January 1964 | December 1964 | Larry R. Norby |
| 1 | | | Scott D. Kormann |