| Number | Begin | End | Name |
| 51 | December 2023 | | Dylan C. Leahy |
| 50 | December 2022 | December 2023 | Lucas N. Meyer |
| 49 | December 2021 | December 2022 | Gavin J. Bowman |
| 48 | December 2020 | December 2021 | Noah L. Brown |
| 47 | December 2019 | December 2020 | Ken Chwatek |
| 46 | February 2019 | December 2019 | Bobby J. O'Neil, IV |
| 45 | November 2018 | February 2019 | Sebastian J. Atwood |
| 44 | December 2017 | November 2018 | Peter E. Sobczak |
| 43 | December 2016 | December 2017 | Ben K. Johnson |
| 42 | November 2015 | December 2016 | Ed Wilkinson |
| 41 | November 2014 | November 2015 | Bennett T. Wallander, Jr. |
| 40 | December 2013 | November 2014 | David J. Zeitlin |
| 39 | December 2012 | December 2013 | Brady Strittmatter |
| 38 | December 2011 | December 2012 | Brandon N. Olsen |
| 37 | February 2011 | December 2011 | Jack C. Concannon |
| 36 | December 2010 | February 2011 | Jack C. Concannon |
| 35 | December 2009 | December 2010 | Michael D. Goeldi |
| 34 | January 2009 | December 2009 | Dr. Steven A. John |
| 33 | January 2007 | January 2009 | Christopher A. DeSilva |
| 32 | February 2006 | January 2007 | Jeffrey Levinson |
| 31 | December 2004 | February 2006 | Sean Sobel |
| 30 | December 2003 | December 2004 | Craig P. Chester |
| 29 | February 2003 | December 2003 | Shobhit Juyal |
| 28 | December 2001 | February 2003 | Peter R. Morrison |
| 27 | December 2000 | December 2001 | Dustin J. DiMarco |
| 26 | April 2000 | December 2000 | Kevin L. Martin |
| 25 | March 1999 | April 2000 | Andrew H. Simon |
| 24 | December 1997 | March 1999 | Timothy T. Yee |
| 23 | November 1996 | December 1997 | Eric J. Schmidling |
| 22 | December 1995 | November 1996 | Dominic B. DiMarco |
| 21 | December 1994 | December 1995 | Bartholomew J. Carroll III |
| 20 | December 1993 | December 1994 | Eric J. Lanning |
| 19 | February 1993 | December 1993 | Corey F. Shoemaker |
| 18 | January 1992 | December 1992 | Aaron M. Schlines |
| 17 | January 1987 | December 1988 | David R. Cardinal |
| 16 | January 1984 | December 1984 | Geoffrey A. Huber |
| 15 | January 1982 | December 1982 | Mark E. Koenig |
| 13 | September 1977 | September 1988 | Todd D. Stollberg |
| 14 | September 1977 | September 1988 | Todd D. Stollberg |
| 12 | January 1965 | December 1965 | Joseph J. Cech, Jr. |
| 11 | January 1963 | December 1963 | Thomas J. Ginzl |
| 10 | January 1961 | December 1961 | Donald J. Kleist |
| 8 | January 1956 | December 1957 | Ronald R. Schild |
| 9 | January 1956 | December 1956 | Ronald A. Steckling |
| 7 | January 1952 | December 1952 | John J. Hinnendael |
| 1 | | | Daniel H. Marks |
| 2 | | | Richard V. Gugel |
| 3 | | | Robert S. Thiede |
| 4 | | | Matthew Spahn |
| 5 | | | Brian Casey |
| 6 | | | Matthew F. Greinert |