Ruggiero spent five seasons as the offensive coordinator at Defiance College and three in the same role at Clarion. During his time at Clarion, the team made a national semi-final appearance in 1996.
Ruggiero spent two seasons at Elon where he coached quarterback Scott Riddle to first-team All-American honors and Southern Conference freshman of the year, while setting many school records.
Ruggiero helped Bowling Green to 31st in total offense in 2013. Also during the 2013 season Bowling Green went 10-3 and averaged 35.4 points per game.
Wake Forest
Ruggiero's offense set records for points scored and total yards in 2017. Under Ruggiero, the offense broke over 100 individual and team records. He also coached three successful quarterbacks in John Wolford, Jamie Newman, and Sam Hartman. Following the 2024 season, Ruggiero was not retained by new head coach Jake Dickert.