Temple University Athletics
Football
Cronin, Sean

Sean Cronin
- Title:
- Defensive Line Coach
- Email:
- smcronin@temple.edu
- Phone:
- 215-204-0856
Sean Cronin, who has played on or coached for four national championship teams, is in his second season as the defensive line coach at Temple.
Led by three-time first-team All-MAC selection DE Adrian Robinson and All-MAC DE Morkeith Brown, the Owls’ defense dominated the Mid-American Conference in 2011, leading all teams in five categories while ranking No. 3 nationally in scoring defense.
In 2012, DE Morkeith Brown (Tampa Bay Buccaneers) and DE drian Robinson (Pittsburgh Steelers) signed rookie free agent contracts, helping to set the school record with a class of 12 NFL signees.
Cronin spent the 2010 season as the defensive line coach at Marshall University.
He joined the Thundering Herd staff after spending the 2009 season as the defensive line coach at The Citadel. Prior to The Citadel, Cronin spent three years as a graduate assistant defensive coach at the University of Florida, working with NFL draft selections Jermaine Cunningham (2nd rd., New England), Carlos Dunlap (2nd rd., Cincinnati), Derrick Harvey (1st rd., Jacksonville), Jarvis Moss (1st rd., Denver), and Ray McDonald (3rd rd., San Francisco).
Cronin has played on or coached for four national championship teams. He won two national titles as a player at Georgetown (Ky.) and helped the University of Florida to national championships in his first and third seasons as a graduate assistant in Gainesville. Cronin went to UF after spending the 2005 season at Marshall, where he served as the offensive and special teams quality control assistant. In that role, Cronin performed multiple duties, including film break down and statistical analysis.
Following graduation, Cronin spent two seasons as the linebackers
coach at Division II Clarion University.
Cronin went to Moeller High School in Cincinnati and attended the University of Cincinnati, where he was a defensive end before transferring to Georgetown College (Ky.), where he played defensive end his first season and defensive tackle during his final two years. As a player, Cronin was part of three teams that played for the national championship and two that won the title. In 2002, he was an All-American and All-Conference selection. Upon graduation from Georgetown (Ky.) College, Cronin spent the spring semester of his senior year interning at his alma mater assisting with the defensive line and in strength and conditioning efforts.
In 2003, Cronin earned his B.A. in history with a minor in coaching from Georgetown (Ky.). In 2005, he completed work for a master's in rehabilitative science at Clarion University.
Cronin is married to the former Emily Heater. The couple has a daughter Grace (2).
Led by three-time first-team All-MAC selection DE Adrian Robinson and All-MAC DE Morkeith Brown, the Owls’ defense dominated the Mid-American Conference in 2011, leading all teams in five categories while ranking No. 3 nationally in scoring defense.
In 2012, DE Morkeith Brown (Tampa Bay Buccaneers) and DE drian Robinson (Pittsburgh Steelers) signed rookie free agent contracts, helping to set the school record with a class of 12 NFL signees.
Cronin spent the 2010 season as the defensive line coach at Marshall University.
He joined the Thundering Herd staff after spending the 2009 season as the defensive line coach at The Citadel. Prior to The Citadel, Cronin spent three years as a graduate assistant defensive coach at the University of Florida, working with NFL draft selections Jermaine Cunningham (2nd rd., New England), Carlos Dunlap (2nd rd., Cincinnati), Derrick Harvey (1st rd., Jacksonville), Jarvis Moss (1st rd., Denver), and Ray McDonald (3rd rd., San Francisco).
Cronin has played on or coached for four national championship teams. He won two national titles as a player at Georgetown (Ky.) and helped the University of Florida to national championships in his first and third seasons as a graduate assistant in Gainesville. Cronin went to UF after spending the 2005 season at Marshall, where he served as the offensive and special teams quality control assistant. In that role, Cronin performed multiple duties, including film break down and statistical analysis.
Following graduation, Cronin spent two seasons as the linebackers
coach at Division II Clarion University.

Cronin went to Moeller High School in Cincinnati and attended the University of Cincinnati, where he was a defensive end before transferring to Georgetown College (Ky.), where he played defensive end his first season and defensive tackle during his final two years. As a player, Cronin was part of three teams that played for the national championship and two that won the title. In 2002, he was an All-American and All-Conference selection. Upon graduation from Georgetown (Ky.) College, Cronin spent the spring semester of his senior year interning at his alma mater assisting with the defensive line and in strength and conditioning efforts.
In 2003, Cronin earned his B.A. in history with a minor in coaching from Georgetown (Ky.). In 2005, he completed work for a master's in rehabilitative science at Clarion University.
Cronin is married to the former Emily Heater. The couple has a daughter Grace (2).