| Number | Begin | End | Name |
| 42 | December 2023 | | Gabriel Rivera |
| 41 | September 2023 | December 2023 | Dev S. Connelly |
| 40 | December 2022 | September 2023 | Sahib S. Dhaliwal |
| 39 | June 2022 | December 2022 | Adan Martinez |
| 38 | December 2021 | February 2021 | Frankie M. Beede, IV |
| 37 | February 2021 | June 2022 | Arnie Serrato |
| 36 | December 2020 | December 2021 | Arnie Serrato |
| 35 | January 2020 | December 2020 | Kevin A. Rivera |
| 34 | December 2019 | January 2020 | Omar S. Steyteyieh |
| 33 | September 2019 | December 2019 | Kai J. Osagie |
| 32 | November 2018 | September 2019 | Cody J. Reyes |
| 31 | May 2018 | November 2018 | Victor A. Garcia Alvarez, Jr. |
| 30 | December 2017 | May 2018 | Maxwell B. Hampton |
| 29 | August 2017 | December 2017 | Austin Burmester |
| 28 | November 2016 | August 2017 | Nav Singh |
| 27 | March 2010 | September 2010 | Juan Gonzalez |
| 26 | June 2009 | March 2010 | Emmanuel Serrano |
| 25 | May 2008 | April 2009 | Chris Chatto |
| 24 | September 2007 | May 2008 | Austin Hicks |
| 23 | March 2006 | September 2007 | Augie Aguilar |
| 22 | May 2005 | March 2006 | Loren Kaplan |
| 21 | May 2004 | May 2005 | Keith R. Hill |
| 20 | February 2004 | May 2004 | Christopher McLeod |
| 19 | February 2003 | February 2004 | Gabriel C. Garroni |
| 18 | May 2002 | February 2003 | Richard E. Young III |
| 17 | June 2001 | May 2002 | Robert R. Swamy Jr. |
| 16 | January 2001 | June 2001 | Vartan G. Vartkessian |
| 15 | May 2000 | January 2001 | Scott L. Bertram |
| 14 | January 2000 | May 2000 | Chad S. Dibble |
| 13 | March 1999 | January 2000 | Steve C. Clark |
| 12 | October 1998 | March 1999 | Mario A. Muniz |
| 11 | January 1998 | October 1998 | Mark A. Tognoli |
| 10 | December 1997 | January 1998 | Joshua P. Golka |
| 9 | January 1992 | | Brad P. Lucas |
| 8 | January 1983 | December 1983 | Rob E. Kenner IV |
| 7 | January 1976 | December 1976 | Paul L. Vaccarezza |
| 6 | January 1968 | December 1968 | Ronald D. Starr |
| 1 | | | Richard E. Griffin |
| 2 | | | Mark Esquivel |
| 3 | | | John W. Hagerty |
| 4 | | | Daryl W. Hackbarth |
| 5 | | | James R. Blacow |