| Number | Begin | End | Name |
| 60 | December 2024 | | Gabriel L. Colpetzer |
| 59 | December 2023 | December 2024 | Aiden L. Brown |
| 58 | January 2022 | December 2023 | CJ M. Zortman |
| 57 | January 2020 | January 2022 | Brennan P. Shiffler |
| 56 | December 2019 | January 2020 | Bayly M. Williams |
| 55 | December 2018 | December 2019 | Zach Dodge |
| 54 | December 2017 | December 2018 | Michael G. Elkins |
| 53 | November 2016 | December 2017 | Sammy Sherrard |
| 52 | January 2016 | November 2016 | Shawn McCollum |
| 51 | December 2014 | January 2016 | Ben M. Pauley |
| 50 | December 2013 | December 2014 | Rob D. Hodes |
| 49 | April 2013 | December 2013 | Nathan W. Bahn |
| 48 | January 2013 | April 2013 | Tobias Anderson |
| 47 | December 2011 | January 2013 | Luke Reed |
| 46 | November 2010 | December 2011 | Michael Troutner |
| 45 | December 2009 | November 2010 | Nicholas Tomaskovic |
| 44 | December 2008 | December 2009 | Eric Guth |
| 43 | January 2008 | December 2008 | Alexander J. Rau |
| 42 | January 2007 | January 2008 | Bradley Miller |
| 41 | December 2006 | January 2007 | Bradley Miller |
| 40 | December 2005 | December 2006 | Richard Jasinski, Jr. |
| 39 | December 2004 | December 2005 | Trevor Dolan |
| 38 | December 2003 | December 2004 | Nicholas Schneider |
| 37 | November 2002 | December 2003 | Eugene R. Melvin |
| 36 | February 2002 | November 2002 | Thomas G. Coale |
| 35 | February 2001 | February 2002 | Eric M. Chamberlain |
| 34 | January 2000 | February 2001 | Daniel M. Miller |
| 33 | March 1999 | January 2000 | Dr. Phil M. Levesque Ph.D. |
| 32 | January 1998 | March 1999 | James M. Columbia |
| 31 | December 1997 | December 1998 | James M. Columbia |
| 30 | January 1997 | January 1998 | Stephen C. Parente |
| 29 | May 1996 | January 1997 | Michael J. Johnson |
| 28 | January 1995 | May 1996 | Michael K. Saulnier |
| 27 | November 1994 | | David M. Wunder |
| 26 | April 1994 | January 1995 | Bryan D. Firth |
| 25 | November 1992 | November 1993 | Walter P. Chubrick, Jr. |
| 24 | November 1991 | November 1992 | Scott A. Burke |
| 23 | January 1991 | December 1991 | Alan M. Palmer |
| 22 | January 1990 | December 1990 | Andrew D. Parsons |
| 21 | January 1989 | December 1989 | Stephen W. Davis |
| 20 | January 1988 | December 1988 | Mr. Jason M. Harris |
| 19 | January 1987 | December 1987 | George W. Hogan III |
| 18 | January 1986 | December 1986 | Scott J. Tourville |
| 17 | January 1985 | December 1985 | Joseph A. Myers |
| 16 | January 1984 | December 1984 | Donald F. Newman |
| 15 | January 1983 | December 1983 | John M. Steinhart, Jr. |
| 14 | January 1982 | December 1982 | John D. Rampolla |
| 13 | January 1981 | December 1981 | Mark R. Todd |
| 12 | January 1979 | December 1979 | Leonard F. H. Lang, Jr. |
| 11 | January 1978 | December 1978 | Peter J. Brown |
| 10 | January 1977 | December 1977 | Jeffrey S. Smith |
| 9 | January 1976 | December 1976 | Robert T. Slodowski |
| 8 | January 1975 | December 1975 | David O. Schmid |
| 7 | January 1974 | December 1974 | Mark D. Smith |
| 6 | January 1973 | December 1973 | Steven W. Ananko |
| 5 | January 1972 | December 1972 | Nicholas P. Stroia |
| 4 | January 1971 | December 1971 | David F. Werner |
| 3 | January 1970 | December 1970 | Wayne I. Smith |
| 2 | January 1969 | December 1969 | Dale K. Erdly |
| 1 | | December 1980 | Raymond E. Snook III |