Last on staff as Defensive Coordinator, Iowa State, through 2025.
Not on a staff this seasonHead coach highest tier reachedMatt Campbell mentor8 other mentors8 protégés
Drawing the tree…
| Coach | Where | Seasons |
|---|---|---|
| Matt Campbell | Iowa State | 2016–2025 |
| Jason Candle | Toledo | 2015 |
| Matt Campbell | Toledo | 2014–2015 |
| Darrell Hazell | Purdue | 2013 |
| Darrell Hazell | Kent State | 2011–2012 |
| Doug Martin | Kent State | 2010 |
| Cam Cameron | Indiana | 1997–1999 |
| Jim Tressel | Youngstown State | 1991–1996 |
| Jim Young | Army | 1990 |
| Bo Schembechler | Michigan |
| Coach | Where | Seasons |
|---|
| 1988–1989 |
| Dan Simrell | Toledo | 1983 |
| Coach | Where | Seasons |
|---|
| Michael Zordich | Youngstown State | 2009 |
| Tom Anthony | Youngstown State | 2008–2009 |
| Jeff Mills | Youngstown State | 2007–2008 |
| Brian Wright | Youngstown State | 2005–2009 |
| Dave Elliott | Youngstown State | 2004–2009 |
| Terrell Williams | Youngstown State | 2002–2003 |
| Brian Wright | Youngstown State | 2001–2003 |
| George Small | Youngstown State | 2001 |
| Trenton Boykin | Youngstown State | 2001–2002 |
| Coach | Where | Seasons |
|---|
| Tom Matukewicz | Toledo | 2014 |
| Greg Burns | Purdue | 2013 |
| Pete Rekstis | Kent State | 2010 |
| Bob Tucker | Youngstown State | 2000 |
| Steve Stripling | Indiana | 1997 |
| Erik Campbell | Michigan | 1988 |
| Randy Fichtner | Michigan | 1988 |
| Coach | Where | Seasons |
|---|
| Brian Wright | Youngstown State | 2004 |