Mackenzie graduated from Berkshire School prior to attending Quinnipiac University where she played on their nationally ranked ice hockey team for four years. She studied psychology at Quinnipiac, was inducted into the Psi Chi Honors Society, and graduated summa cum laude. In the summer of 2023, Mackenzie completed her masters in applied sports psychology from Adams State University. She uses the knowledge from this program to inform her coaching and help her players reach peak performance. Mackenzie began her career in coaching at Connecticut College, where she spent three years as an assistant coach. During the summers, she enjoys being involved in the USA Hockey national development camps and regional tryouts as a coach and evaluator. At Taft, she works as an admissions officer and head coach of the girls' varsity ice hockey team. Mackenzie and her husband, Grayson, live in Mac.