Mário Sperry is a Brazilian martial artist known for his expertise in Brazilian Jiu-Jitsu (BJJ). Born on December 15, 1970, he is a black belt under the legendary Carlos Gracie Jr. and has won numerous championships, including the prestigious World Jiu-Jitsu Championship. Sperry is also recognized for his contributions to the sport through teaching and promoting BJJ worldwide. In addition to his success in BJJ, Sperry has competed in mixed martial arts (MMA), where he showcased his grappling skills. He is a co-founder of the BJJ Revolution Team, which has produced many successful fighters. His influence continues to shape the landscape of martial arts today.