| Number | Begin | End | Name |
| 52 | December 2023 | | Eli S. Miller |
| 51 | December 2022 | December 2023 | Alexander A. Frank |
| 50 | December 2021 | December 2022 | Nicholas M. Trout |
| 49 | November 2020 | December 2021 | Ryan D. Pettes |
| 48 | December 2019 | November 2020 | Kevin J. Taeyaerts |
| 47 | December 2018 | December 2019 | Justin T. Burger |
| 46 | January 2018 | December 2018 | James D. Camacho |
| 45 | December 2016 | January 2018 | Sam E. Reber |
| 44 | January 2016 | December 2016 | Nate T. Chamberlin-Little |
| 43 | November 2015 | January 2016 | James D. Farrell |
| 42 | November 2014 | November 2015 | Pete D. Gorski |
| 41 | November 2013 | November 2014 | Jerry Boagard |
| 40 | December 2012 | November 2013 | Dillon D. Malone |
| 39 | May 2012 | December 2012 | Nathaniel A. Allison |
| 38 | January 2012 | May 2012 | Shawn June |
| 37 | January 2011 | January 2012 | Jarrad Emamian |
| 36 | December 2009 | January 2011 | Matthew Shultz |
| 35 | January 2009 | December 2009 | Patrick T. May |
| 34 | April 2008 | January 2009 | Jacob D. Mogerman |
| 33 | January 2007 | April 2008 | John E. Lande |
| 32 | January 2006 | January 2007 | Chris D. Woods |
| 31 | January 2005 | January 2006 | Justin Carrothers |
| 30 | December 2003 | January 2005 | Adam J. Hoelscher |
| 29 | September 2003 | November 2004 | Christopher J. Lentino |
| 28 | October 2002 | December 2003 | John H. Brunsdale |
| 27 | January 2002 | October 2002 | Mihir S. Bhatia |
| 26 | December 2000 | December 2001 | Andrew A. Gerlt |
| 25 | April 2000 | December 2000 | G. Courtland Borle |
| 24 | March 1999 | April 2000 | Jesse W. J. Male |
| 23 | March 1998 | March 1999 | G. Courtland Borle |
| 22 | March 1998 | March 1998 | Daniel A. Reif |
| 21 | December 1996 | March 1998 | Jason C. Deal |
| 20 | June 1996 | December 1996 | Corey A. Lewendowski |
| 19 | April 1995 | June 1996 | Fidel Mata |
| 18 | May 1994 | April 1995 | Mike L. Vogel |
| 17 | November 1992 | May 1994 | Mark D. Belongia |
| 16 | December 1991 | | Todd M. Olson |
| 15 | January 1986 | December 1986 | Matthew Hrubetz |
| 14 | January 1968 | December 1969 | William R. Stiles |
| 13 | January 1967 | December 1967 | Tom J. Pfenning |
| 12 | January 1959 | December 1960 | Atty Lyle L. Simpson |
| 11 | January 1952 | December 1952 | William E. Maltby |
| 10 | January 1949 | December 1950 | David F. Craigmile |
| 9 | January 1948 | December 1948 | Richard A. Eveleth |
| 1 | | | Donn K. Haglund |
| 2 | | | Richard D. Treman |
| 3 | | | Jack C. Strobel |
| 4 | | | Charles M. Hollerbaugh |
| 5 | | | Daniel A. Mihalovich |
| 6 | | | John W. Lussky |
| 7 | | | David W. Rogers |
| 8 | | | Christopher J. Lentino |