Coaches
Greg Mattison
His career from Wikipedia, each job checked against the team-season pages (✓ = a second source agrees, ≠ = they disagree)
Greg Mattison
Source: Wikipedia, read 2026-10-26
| Years | Team | Role | Title | Head coach |
|---|---|---|---|---|
| 1971-1973 | Riverdale HS (WI) (HS) | Head coach | Head coach | himself |
| 1974-1975 | Logan HS (WI) (HS) | Head coach | Head coach | himself |
| 1976 | Illinois | GA | GA | not known |
| 1977 | Cornell | Position | DL | not known |
| 1978-1980 | Northwestern | Position | DL | not known |
| 1982-1984 | Western Michigan | Position | DL | not known |
| 1985-1986 | Western Michigan (DC) (unknown) | Head coach | Head coach | himself |
| 1987-1988 | Navy | Position | DL | not known |
| 1989-1991 | Texas A&M | Position | DL | R.C. Slocum |
| 1992-1994 | Michigan | Position | DL | not known |
| 1995-1996 | Michigan (DC) (unknown) | Head coach | Head coach | himself |
| 1997-2001 | Notre Dame | DC | DC | Bob Davie |
| 2002-2004 | Notre Dame | Position | DL | Tyrone Willingham |
| 2005-2007 | Florida | DC | Co-DC/DL✓ | Urban Meyer |
| 2008 | Baltimore Ravens (pro) | Position | LB | not known |
| 2009-2010 | Baltimore Ravens (DC) (unknown) | Head coach | Head coach | himself |
| 2011-2013 | Michigan (DC) (unknown) | Head coach | Head coach | himself |
| 2011-2013 | Michigan | DC | Defensive coordinator · season pages | Brady Hoke |
| 2014 | Michigan | DC | DC/LB✓ | Brady Hoke |
| 2015-2018 | Michigan | Position | DL | Jim Harbaugh |
| 2015 | Michigan | DC | Defensive coordinator · season pages | Jim Harbaugh |
| 2019-2020 | Ohio State | DC | co-DC✓ | Ryan Day*+ |
Record
Confirmed coordinator seasons since 2005. FBS rankings
| Season | Team | Job | EPA/play | Points/poss. | Success | Year before | Teams |
|---|---|---|---|---|---|---|---|
| 2005 | Florida | Co-defensive coordinator | 33 | 20 | 32 | 81 | 119 |
| 2006 | Florida | Co-defensive coordinator | 11 | 8 | 12 | 33 | 119 |
| 2007 | Florida | Co-defensive coordinator | 75 | 53 | 69 | 11 | 119 |
| 2014 | Michigan | Defensive coordinator | 32 | 38 | 48 | 29 | 128 |
| 2019 | Ohio State | Defensive coordinator | 1 | 3 | 1 | 45 | 130 |
| 2020 | Ohio State | Co-defensive coordinator | 60 | 40 | 76 | 1 | 127 |
Worked under
- R.C. Slocum · Texas A&M 1989-1991 (Position)
- Bob Davie · Notre Dame 1997-2001 (DC)
- Tyrone Willingham · Notre Dame 2002-2004 (Position)
- Urban Meyer · Florida 2005-2007 (DC, Position)
- Brady Hoke · Michigan 2011-2014 (DC, Position)
- Jim Harbaugh · Michigan 2015-2018 (DC, Position)
- Ryan Day*+ · Ohio State 2019-2020 (DC)
His tree
Coaches who were on his staffs
No one on his staffs among the coaches we hold.
Coached together
- Mike Hankwitz · Western Michigan 1982-1984 · him Position, them DC, Position
- Brady Hoke · Western Michigan 1984 · him Position, them Position, ST coord.
- Chuck Bresnahan · Navy 1987 · him Position, them Position, ST coord.
- Kevin Rogers · Navy 1987-1988 · him Position, them Position
- Tom Amstutz · Navy 1987-1988 · him Position, them Position
- Bob Toledo · Texas A&M 1989-1991 · him Position, them OC, Position
- Mike Sherman · Texas A&M 1989-1991 · him Position, them Position
- Tom Hayes · Texas A&M 1989-1990 · him Position, them Other, Position
- Cam Cameron · Michigan 1992-1993 · him Position, them Position
- Jim Herrmann · Michigan 1992-1994 · him Position, them Other
- John McNulty · Michigan 1992-1994 · him Position, them GA
- Les Miles · Michigan 1992-1994 · him Position, them Position
- Lloyd Carr · Michigan 1992-1994 · him Position, them DC, Other
- T. J. Weist · Michigan 1992-2015 · him DC, Position, them Analyst, Position
- Mike DeBord · Michigan 1993-1994 · him Position, them Position
- Bob Davie · Notre Dame 1997-2001 · him DC, them Head coach
- Charlie Strong · Notre Dame 1997-1998 · him DC, them Position
- Jay Sawvel* · Notre Dame 1997-1998 · him DC, them GA
- Mike Sanford Sr. · Notre Dame 1997-1998 · him DC, them Position
- Urban Meyer · Notre Dame 1997-2000 · him DC, them Position
- Dan Mullen* · Notre Dame 1999-2000 · him DC, them GA
- Kevin Rogers · Notre Dame 1999-2001 · him DC, them OC, Position
- Steve Addazio · Notre Dame 1999-2001 · him DC, them Position, ST coord.
- Taver Johnson · Notre Dame 1999 · him DC, them GA
- Bill Sheridan · Notre Dame 2001 · him DC, them Position, ST coord.
- John DeFilippo · Notre Dame 2001-2002 · him DC, Position, them GA
- Joker Phillips · Notre Dame 2001 · him DC, them Position
- Kent Baer · Notre Dame 2002-2004 · him Position, them DC, Head coach
- Mike Denbrock · Notre Dame 2002-2004 · him Position, them Position
- Trent Miles · Notre Dame 2002-2004 · him Position, them Position
- Tyrone Willingham · Notre Dame 2002-2004 · him Position, them Head coach
- D.J. Durkin · Notre Dame 2003-2004 · him Position, them GA
- Steve Wilks · Notre Dame 2004 · him Position, them Position
- Billy Gonzales · Florida 2005-2007 · him DC, Position, them Position
- Charlie Strong · Florida 2005-2007 · him DC, Position, them DC, Other, Position
- Chuck Heater · Florida 2005-2007 · him DC, Position, them Other, Position
- Dan Mullen* · Florida 2005-2007 · him DC, Position, them OC, Position
- Doc Holliday · Florida 2005-2007 · him DC, Position, them Other, Position
- John Hevesy · Florida 2005-2007 · him DC, Position, them Position
- Ryan Day*+ · Florida 2005 · him DC, Position, them GA
- Stan Drayton · Florida 2005-2007 · him DC, Position, them Position
- Steve Addazio · Florida 2005-2007 · him DC, Position, them Other, Position
- Urban Meyer · Florida 2005-2007 · him DC, Position, them Head coach
- Al Borges · Michigan 2011-2013 · him DC, them OC, Position
- Brady Hoke · Michigan 2011-2014 · him DC, Position, them Head coach
- Christian Taylor · Michigan 2011 · him DC, them Analyst
- Curt Mallory · Michigan 2011-2014 · him DC, Position, them Position
- Jeff Hecklinski · Michigan 2011-2014 · him DC, Position, them Position
- Kurt Mattix · Michigan 2011-2014 · him DC, Position, them Analyst
- Doug Nussmeier · Michigan 2014 · him DC, Position, them OC, Position
- D.J. Durkin · Michigan 2015 · him DC, Position, them DC, Position
- Jay Harbaugh · Michigan 2015-2018 · him DC, Position, them Position
- Jedd Fisch* · Michigan 2015-2016 · him DC, Position, them Other, Position
- Jim Harbaugh · Michigan 2015-2018 · him DC, Position, them Head coach
- Matt Barnes · Michigan 2015 · him DC, Position, them Analyst
- Tim Drevno · Michigan 2015-2017 · him DC, Position, them OC, Position
- Tyrone Wheatley · Michigan 2015-2016 · him DC, Position, them Position
- Biff Poggi · Michigan 2016 · him Position, them Analyst
- Brian Smith · Michigan 2016-2017 · him Position, them Position
- Chris Partridge · Michigan 2016-2018 · him Position, them Position, ST coord.
- Don Brown · Michigan 2016-2018 · him Position, them DC
- Jimmie Dougherty · Michigan 2016 · him Position, them Analyst
- Joe Bolden · Michigan 2016 · him Position, them GA
- Pep Hamilton · Michigan 2017-2018 · him Position, them Other
- Ben McDaniels · Michigan 2018 · him Position, them Analyst
- Dan Enos · Michigan 2018 · him Position, them Analyst
- Ed Warinner · Michigan 2018 · him Position, them Position
- Jim McElwain · Michigan 2018 · him Position, them Position
- Ron Prince · Michigan 2018 · him Position, them Analyst
- Sherrone Moore · Michigan 2018 · him Position, them Position
- Brian Hartline* · Ohio State 2019-2020 · him DC, them Position
- Chandler Whitmer · Ohio State 2019 · him DC, them GA
- Greg Studrawa · Ohio State 2019-2020 · him DC, them Position
- Jeff Hafley · Ohio State 2019 · him DC, them DC, Position
- Keenan Bailey · Ohio State 2019-2020 · him DC, them Analyst
- Kevin Wilson · Ohio State 2019-2020 · him DC, them OC, Position
- Larry Johnson · Ohio State 2019-2020 · him DC, them Other, Position
- Matt Barnes · Ohio State 2019-2020 · him DC, them Other, Position, ST coord.
- Mike Yurcich · Ohio State 2019 · him DC, them Other, Position
- Ryan Day*+ · Ohio State 2019-2020 · him DC, them Head coach
- Sean Duggan · Ohio State 2019 · him DC, them GA
- Billy Fessler · Ohio State 2020 · him DC, them GA
- Corey Dennis · Ohio State 2020 · him DC, them Position
- Joe Bolden · Ohio State 2020 · him DC, them Analyst
- Kerry Coombs · Ohio State 2020 · him DC, them DC