Mullin received her Bachelor of Arts in Psychology from Mount Holyoke College. She completed her Master’s degree and PhD in Sport and Exercise Psychology at Springfield College. Her research focuses on to examining the effects of heterosexism in athletics and exercise adherence programming in post-menopausal women. Dr. Mullin is a Certified Sport Psychology Consultant from the Association for Applied Sport Psychology and Certified Strength and Conditioning Specialist from the National Strength and Conditioning Association. She holds a 2nd degree black belt in Uechi-Ryu karate and has competed in multiple half-marathons, marathons, and triathlons. She resides in Wayne, New Jersey, with her wife, Lauren, and their three adopted pets.