Career
He is the former assistant head coach and defensive coordinator at the University of Miami, a position he had held since December 2010, when Al Golden came to Coral Gables to replace Randy Shannon. D'Onofrio played collegiately as a linebacker at Pennsylvania State University and thereafter was drafted by the Green Bay Packers of the National Football League (NFL). D'Onofrio played at the collegiate level with the Penn State Nittany Lions, where he was a team captain.
In the 1992 NFL Draft, D'Onofrio was selected in the second round by the Green Bay Packers. He became a starter with the team that season, however a severe injury would cause him to retire soon after. D'Onofrio's first coaching experience was as linebackers Coach at Saint Peter's College.
The next year he became a defensive assistant with the Georgia Bulldogs. From there he was a linebackers coach with the Rutgers Scarlet Knights and tight ends, special teams, and inside linebackers coach with the Virginia Cavaliers. He joined the Temple Owls in 2006, and followed head coach Al Golden to the University of Miami as defensive coordinator for the Miami Hurricanes football team in December 2010.