[1] Heiar completed his playing career at Mount St. Clare, where he was a two-year captain, all-conference selection and team MVP.
[2] After graduation, Heiar assisted his alma mater for one season before joining the coaching staff at Loras College.
[3] After earning numerous coach of the year honors and a third-place finish in the 2009 NJCAA Tournament, Heiar joined Larry Eustachy's staff at Southern Miss.
[8][9] On November 19, 2022, Coach Heiar and his coaching staff were involved in the police response when one of his athletes, Mike Peake, was attacked in a premeditated plan by four University of New Mexico (UNM) students, resulting in the death of one of the UNM freshman students.
On February 10, 2023, Heiar and his staff were placed on administrative leave and the men’s basketball program was suspended until further notice after New Mexico State University announced an internal investigation for unspecified violations.