Callahan became Penn College's head men's basketball coach in 2015.
Callahan served as an assistant coach last year at Penn State-Abington, which followed three years as an assistant coach at Alvernia University. In his positions at Abington and Alvernia, Callahan was in charge of recruiting, creating and implementing practice plans, player development and film exchange, among other duties.
He was a staff member on two NCAA Tournament teams, two Middle Atlantic Conference championship teams and one ECAC Tournament championship team at Alvernia.
In addition to his collegiate coaching, Callahan has also coached at the AAU level since 2010 and was an assistant high school coach in 2010 at Hopkinton High School in New Hampshire.
Callahan began his playing career at Division I Wagner in 2007 before transferring to Division II Mansfield, where he was a two-time team captain and an All-PSAC selection.
Callahan earned his Bachelor of Science degree in Nutrition from Mansfield in 2010, and a Master of Arts degree in Organization Leadership from Alvernia University in 2014.
