Mary-Kate has over 12 years of playing experience which culminated in a college career at Stonehill College. Mary-Kate is a San Diego native who played for the Academy of Our Lady of Peace as a 3 year letter winner, MVP recipient, and 1st team all-league selection. Mary-Kate then continued her career as a middle blocker at Stonehill College where she was a 4 year starter for 30 under 30 coaching recipient Lauren Amundson. In her freshman year, the program earned its first ever berth to the NCAA Div II tournament. She concluded her senior season returning to the NCAA tournament with an NE-10 conference title and the highest East Regional ranking in program history. She currently is in the top 10 for all time kills leader and holds the program all-time career blocking record. 

During college, Mary-Kate was an assistant club coach at New England Mass Patriots and spent her summers coaching college volleyball team and individual camps at Stonehill for ages ranging middle school through highschool. The Stonehill volleyball program also ran weekly clinics for local young girls to enhance their skills and participate in character building workshops. Mary-Kate has since returned to her alma mater, Division I OLP, to continue her coaching career, and is currently the Head Freshman Coach and Assistant Varsity Coach.