Career
Buonaguro was the head coach at Fairfield University from 1985 to 1991. During his first season, he coached the Stags to its first MAAC Championship, first berth in National Collegiate Athletic Association Tournament where the Stags faced the Illinois Fighting Illini in the first round. And ended the year with a 24–7 record, the most wins in school history.
Buonaguro was named the 15th head coach in Siena history on April 8, 2010 after being the lead assistant at Siena the past five years for previous coach Fran McCaffery.
After posting a 35-59 record in three seasons Buonaguro was dismissed from Siena on March 12, 2013.