Last on staff as Defensive Coordinator, Boston College, through 2025.
Not on a staff this seasonHead coach highest tier reachedBill O'Brien mentor10 other mentors6 protégés
Drawing the tree…
| Coach | Where | Seasons |
|---|---|---|
| Bill O'Brien | Boston College | 2024–2025 |
| Bob Stoops | Arlington Renegades | 2023 |
| Kevin Sumlin | Houston Gamblers | 2022 |
| Jonathan Hayes | St. Louis BattleHawks | 2020 |
| Jim Mora | Seattle Seahawks | 2009 |
| John Fox | Carolina Panthers | 2007–2008 |
| Tom Coughlin | New York Giants | 2004–2006 |
| Johnny Majors | Pittsburgh | 1993–1994 |
| Tom Rossley | SMU | 1991–1992 |
| Forrest Gregg |
| SMU |
| 1989–1990 |
| Jackie Sherrill | Texas A&M | 1987–1988 |
| Coach | Where | Seasons |
|---|
| Alex Mortensen | Birmingham Iron | 2019 |
| Gerald Brown | Birmingham Iron | 2019 |
| Ray Hamilton | Birmingham Iron | 2019 |
| Rick Minter | Birmingham Iron | 2019 |
| Steve Logan | Birmingham Iron | 2019 |
| Ted Cottrell | Birmingham Iron | 2019 |
| Coach |
|---|
| Where |
|---|
| Seasons |
|---|
| Larry Marmie | Seattle Seahawks | 2009 |
| Jon Tenuta | SMU | 1989 |
| Coach | Where | Seasons |
|---|
| Ted Roof | Boston College | 2026 |
| Chris Wilson | Houston Gamblers | 2023 |
| Jeff Hafley | San Francisco 49ers | 2016 |
| Steve Spagnuolo | New York Giants | 2007 |
| Willy Robinson | Pittsburgh Steelers | 2000 |
| Tony Pierce | Pittsburgh | 1995 |