Mazzone has maintained a close relationship with UCLA and the football program since 1968, when he arrived on UCLA's campus from his native Chicago as an undergraduate student and immediately began serving as a UCLA Football Team Manager. Following his graduation, Mazzone moved into administration for UCLA Athletics, serving as Assistant to the Athletic Director while simultaneously earning his J.D. from the UCLA School of Law. Mazzone has also built a successful career in several endeavors, including real estate development and entertainment hospitality, where he co-founded PrimeSport, Inc., a company which provided customers with VIP hospitality experiences at major sporting and entertainment events all over the world.