Jim O'Neil

Assistant Head Coach, Detroit Lions · OTHER · since 2026

1 season in the seatCoordinator highest tier reachedPat Fitzgerald mentor 10 other mentors 0 protégés

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Experience

16 stints

Assistant Head Coach · Safeties
Detroit Lions
2026–present1 season
Safeties · Defensive Assistant
Detroit Lions
20251 season
Defensive Assistant
Detroit Lions
20241 season
Defensive Coordinator
Northwestern
2021–20222 seasons
Defensive Backs
Oakland / Las Vegas Raiders
2019–20202 seasons
Defensive Assistant
Oakland Raiders
20181 season

Career paths from coordinator to a head job

Coaching tree

Drawing the tree…

Relationships

Coached under 11 people at 10 programs, most recently Pat Fitzgerald, Jon Gruden and Chip Kelly

Coach	Where	Seasons
Pat Fitzgerald	Northwestern	2021–2022
Jon Gruden	Oakland / Las Vegas Raiders	2019–2020
Chip Kelly	San Francisco 49ers	2016
Mike Pettine	Cleveland Browns	2014–2015
Doug Marrone	Buffalo Bills	2013
Rex Ryan	New York Jets	2009–2012
Jeff Genyk	Eastern Michigan	2006–2008
Gordy Combs	Towson	2005
Randy Walker	Northwestern	2003–2004
Al Bagnoli

Succeeded 3 people at 3 programs, most recently John Fox, Mike Hankwitz and Bob Sanders

Succeeded by 5 people at 4 programs, most recently Robert Saleh, Fred Pagac and Brian Smith