Ertel leaves SJU after 18 seasons on the Hawk staff, the final eight as head coach. His eight seasons as head coach are tied for the second longest stint in program history. His 142 victories rank second all-time.
The winningest coach in SJU men's lacrosse history, Perdue departs after having been affiliated with the Hawk program since it began varsity play in 1993. He spent five years as an assistant and seven seasons as head coach, guiding the Crimson and Gray to the Metro Atlantic Athletic Conference championship in 2000 and the title game again in 2003.
Bonner spent two years on the Hawks' Athletic Communications staff.