 During his playing days, MacAdam was also respected as a tough and capable fighter "who many left alone", in the words of Clark Gillies of the New York Islanders.At the conclusion of his career, MacAdam was appointed head coach and assistant athletic director at St. Thomas University in Fredericton, New Brunswick.He spent 11 years at St. Thomas, and was named AUAA Coach of the Year in 1995–96.