Sean Egan was named assistant men's basketball coach in November of 2006. In this position he is responsible for on-court coaching and scouting.

Egan joined the Mercy staff after one year as an assistant coach at Globe Institute of Technology. During that season the Knights captured a Region 15 Championship with a 27-3 record, and finished the year ranked No. 12 in the national junior college rankings. Egan served as the program's recruiting coordinator, was the head of player development and coached the perimeter players, including All-American Second Team selection Jamal Warren.

Prior to his time at Globe, Egan was an assistant coach at New York Institute of Technology from 2000-2005, where he was in charge of recruiting, player development and scouting. During his tenure the Bears captured ECAC Championships in 2001 and 2002, and helped them to the Division II NCAA Tournament second round.

Egan began his coaching career at his alma mater, Savannah College of Art and Design as a student assistant. There he learned his craft under former New York Knicks top draft pick Cazzie Russell.

Before going on to play men's basketball and golf at Savannah College of Art and Design, Egan was a scholastic standout at St. Mary's High School in Manhasset, NY, where he led the Catholic League in three-point shooting.