Mason was hired by Wagner, in March 2012, as their 18th men's head basketball coach.
[1] At the time of his hiring, Mason was the youngest coach in NCAA Division I basketball at 28.
He guided Wagner to three regular season titles, as well as their first-ever postseason win, defeating St. Bonaventure in the 2016 National Invitation Tournament.
Mason was hired as Saint Peter's 16th men's head basketball coach on April 12, 2022.
[2] He replaced Shaheen Holloway when he left Saint Peter's for Seton Hall on March 30, 2022.