| Number | Begin | End | Name |
| 54 | November 2019 | | Parker J. Schanen |
| 53 | December 2018 | November 2019 | Trevor Hill |
| 52 | November 2017 | December 2018 | Raymond Cook |
| 50 | November 2016 | November 2017 | Andrew O. Alltop |
| 51 | November 2016 | November 2016 | Andrew O. Alltop |
| 49 | November 2016 | November 2016 | Raymond Cook |
| 48 | November 2015 | November 2016 | Maximilian Tech |
| 47 | November 2014 | November 2015 | Spencer Gust |
| 46 | October 2014 | November 2014 | Mr. John Michael Forsyth |
| 45 | December 2013 | October 2014 | Chris Ailstock |
| 44 | January 2013 | December 2013 | Matthew P. Lefevre |
| 43 | December 2011 | January 2013 | Christopher D. Mantay |
| 42 | January 2011 | December 2011 | Christopher J. Ferriole |
| 41 | February 2010 | January 2011 | Craig P. Schreiber |
| 40 | December 2008 | February 2010 | Timothy A. Stevens |
| 39 | April 2008 | December 2008 | Ahmed N Chaudhry |
| 38 | November 2006 | April 2008 | Michael Soresi |
| 37 | December 2005 | November 2006 | Shawn Latchford |
| 36 | January 2005 | December 2005 | Peter Grostic |
| 35 | December 2004 | January 2005 | David Walker |
| 34 | December 2003 | December 2004 | Dennis Gibson |
| 33 | April 2002 | December 2003 | Ryan M. Phillips |
| 32 | November 2001 | April 2002 | Dustin D. Hoffman |
| 31 | December 2000 | November 2001 | James E. Cottone |
| 30 | January 2000 | December 2000 | Chad J. Gernady |
| 29 | December 1998 | January 2000 | Scott C. Sheahen |
| 28 | December 1997 | December 1998 | Joseph M. Smith |
| 27 | January 1997 | December 1997 | Kirk W. Myers |
| 26 | February 1996 | January 1997 | David W. Towne Esq. |
| 25 | December 1994 | February 1996 | Darin R. Morency |
| 24 | December 1993 | December 1994 | Jon B. Husby |
| 23 | May 1993 | December 1993 | Paul T. Twydell |
| 22 | August 1992 | December 1992 | Jerry D. Johnson |
| 21 | January 1991 | December 1991 | Aaron F. Goldstein |
| 20 | January 1990 | December 1990 | Eric J. Haik |
| 19 | January 1988 | December 1988 | Thomas K. Emig |
| 18 | January 1987 | December 1987 | Jeffrey T. Hurtik |
| 17 | January 1986 | December 1986 | James V. Bandy |
| 16 | January 1985 | December 1985 | Andrew J. Paluda |
| 15 | January 1984 | December 1984 | John K. Volkert |
| 14 | January 1983 | December 1983 | Michael R. Haines |
| 13 | January 1982 | December 1982 | Gregory S. Hall |
| 12 | January 1981 | December 1981 | Byron J. Konschuh |
| 11 | January 1980 | December 1980 | George S. Chavel |
| 10 | January 1979 | December 1979 | Nicholas W. Genematas |
| 9 | January 1978 | December 1978 | Loren D. Barnett |
| 8 | September 1964 | June 1965 | Lawrence W. Zarrilli, D.V.M. |
| 7 | January 1963 | December 1963 | David W. Green |
| 1 | | | Chris T. Christ |
| 2 | | | William E. Stoddard |
| 3 | | | George C. Betz |
| 4 | | | John H. McGilliard |
| 5 | | | Hollis D. Barber III |
| 6 | | | George R. Anderson |