John McCarthy
"Big"

Is the first head referee for the Ultimate Fighting Championship, a retired Los Angeles Police Officer, and a Tactical Self-Defense Instructor at the Los Angeles Police Academy. He formerly provided commentary and analysis for The Fight Network's coverage of UFC events. He also provided commentary for Affliction: Banned, the first MMA event co-produced by Affliction Clothing and Adrenaline MMA. He has served as head referee for hundreds of bouts in major MMA promotions dating back to 1993. He is also the founder of C.O.M.M.A.N.D., the training and certification school for MMA referees and judges.