| Number | Begin | End | Name |
| 59 | May 2025 | | Kyle M. Schuman |
| 58 | April 2024 | March 2024 | Michael Stotts |
| 57 | March 2024 | May 2025 | Sean M. Murphy |
| 56 | April 2023 | April 2024 | Evan Lustig |
| 55 | May 2022 | April 2023 | Mason Scheel |
| 54 | January 2022 | May 2022 | Jack T. Scrobel |
| 53 | May 2019 | January 2022 | Alex O. Babiasz |
| 52 | July 2018 | May 2019 | Logan G. Docherty |
| 51 | May 2016 | July 2018 | Torrey S. Osman |
| 50 | August 2015 | May 2016 | Jeremy Millian |
| 49 | January 2013 | August 2015 | Lawton Lohff |
| 48 | April 2008 | December 2008 | Jason Moore |
| 47 | September 2006 | April 2008 | Mike Hoffman |
| 46 | January 2006 | September 2006 | Steve Eastwood |
| 45 | December 2004 | January 2006 | Peter Uselman |
| 44 | November 2004 | December 2004 | Matthew P. Collins |
| 43 | April 2004 | November 2004 | Brian D. Groth |
| 42 | January 2003 | April 2004 | Ryan J. Harmann |
| 41 | June 2002 | January 2003 | Corey R. Stuttgen |
| 40 | January 2001 | June 2002 | Brian W. Wallace |
| 39 | January 2000 | January 2001 | Derek S. Wiencek |
| 38 | May 1999 | January 2000 | Theodore J. Helleckson, Jr. |
| 37 | February 1998 | May 1999 | Terence K. Lynch |
| 36 | January 1997 | February 1998 | Nathan D. Ansell |
| 35 | April 1996 | January 1997 | Timothy A. Hansen |
| 34 | December 1994 | April 1996 | Maj. Nathan A. Westby |
| 33 | March 1994 | December 1994 | Michael S. Hutchings |
| 32 | January 1993 | December 1993 | Joshua C. Ries |
| 31 | February 1992 | January 1993 | David J. Peterson |
| 30 | June 1991 | January 2013 | Christian Urena |
| 28 | June 1991 | May 1991 | Scott A. Drolshagen |
| 29 | June 1991 | May 1992 | Timothy D. Rahm |
| 27 | June 1990 | December 1990 | Scott A. Drolshagen |
| 25 | June 1989 | May 1990 | James D. Schuster |
| 26 | June 1989 | May 1969 | Trent W. Strasburg |
| 24 | June 1988 | May 1989 | Daniel M. Babusek |
| 23 | June 1987 | May 1988 | James D. Daily |
| 22 | June 1986 | May 1987 | David R. Siettmann |
| 21 | June 1985 | May 1986 | Rev. Dr. Phillip M. Enderle |
| 20 | June 1984 | May 1985 | Joe Neterval |
| 19 | June 1983 | May 1984 | Dennis Munro |
| 18 | June 1982 | May 1983 | James Votanek |
| 17 | June 1981 | May 1982 | Thomas J. Kuchan |
| 16 | June 1980 | May 1981 | Charles J. Zine, Jr. |
| 15 | June 1979 | May 1980 | Thoedore D. Kuczek III |
| 14 | June 1977 | May 1978 | Douglas A. Rogers |
| 13 | June 1976 | May 1977 | Steven G. Hauge |
| 12 | June 1975 | May 1976 | Frank K. Krause |
| 11 | June 1974 | May 1975 | Donald M. Thelander |
| 9 | January 1974 | December 1974 | Joe T. Pyzyk |
| 10 | January 1974 | December 1974 | Joe T. Pyzyk |
| 8 | June 1972 | May 1973 | John P. Sulik, Jr. |
| 7 | June 1971 | May 1972 | Gary D. Leonard |
| 6 | June 1970 | May 1971 | John L. Wagner, Jr. |
| 5 | June 1969 | May 1970 | William J. Stogsdill, Jr. |
| 4 | January 1968 | December 1969 | Joel E. Johnson |
| 3 | June 1966 | May 1967 | John C. Seyer |
| 2 | June 1965 | May 1966 | Dennis K. Mick |
| 1 | June 1963 | May 1965 | John W. Willoughby |