Career
He is currently the head coach at The Catholic University of America. Dunn began his college coaching career in 1990 at his alma mater, the University of San Diego, as defensive line coach. Afterwards, he moved to Indiana State as outside linebackers coach.
He then went to Harvard University, where he was the defensive line and strength coach.
After Harvard, he moved to Florida Atlantic as the running backs and special teams coach. His first job as head coach came in 2005, as he signed for Becker College.
The following season, 2006, he was named head coach at Catholic University.