Age
35
Nov 7, 1991
Partial season. Ranks are among 32 teams (1st is best; for defense, lower is better). Regular season only. Unit he is responsible for by title; play-calling is not implied. Source: nflverse play-by-play.シーズン途中の値です。順位は32チーム中（1位が最良、守備は値が小さいほど良い）。レギュラーシーズンのみ。役職上の担当ユニットの成績で、プレーコール担当とは限りません。出典: nflverse プレーバイプレー。
Christopher John O'Leary (born November 7, 1991) is an American professional football coach who is the defensive coordinator for the Los Angeles Chargers of the National Football League (NFL). He previously served as the defensive coordinator and safeties coach at Western Michigan University in 2025. O'Leary played college football for the Indiana State Sycamores. He previously served as an assistant coach for the Georgia State Panthers, Florida Tech Panthers, and Notre Dame Fighting Irish.
| Season年 | Team / roleチーム・役職 | Record戦績 | Unit metrics (league rank)担当ユニットの指標（リーグ順位） |
|---|---|---|---|
| 2026 thru Wk 9第9週まで | LAC DCDC | 0-8 | EPA/play allowedEPA/プレー（被）+0.00317th17位Success rate allowed成功率（被）44.0%20th20位Points allowed/game失点/試合27.428th28位 |
Unit he was responsible for by title; play-calling duties are not implied. Source: nflverse play-by-play (1999–), regular season. Seasons before 1999 are not shown.役職上の担当ユニットの成績です。プレーコール担当とは限りません。出典: nflverse のプレーバイプレー（1999年〜）、レギュラーシーズン。1999年より前のシーズンは掲載していません。
The head coach of his team in each NFL season he coached (1999–). Earlier seasons and hand-curated lineage are not included.NFLの各シーズンで所属チームのヘッドコーチだった人物です（1999年〜）。1999年より前と、手作業でまとめた系譜は含みません。