AJ Sousa is the head coach and cornerstone of Carbon Submission Grappling. A 3rd degree black belt and IBJJF World Champion, AJ brings over 20 years of elite-level Brazilian Jiu-Jitsu experience to the mats.

Known for his precision, discipline, and competition-tested systems, AJ has not only competed at the highest levels of the sport, but has produced world champions and high-level competitors across multiple divisions. His coaching philosophy is rooted in fundamentals under pressure, intelligent aggression, and building athletes who can perform when it matters most.

Martin Corvetto is a black belt under AJ Sousa and an IBJJF World Champion, known for his technical sharpness and competitive consistency. As both a coach and active competitor, Martin brings a modern, battle-tested approach to training.

He is the current White Lion Champion at both 165 lbs and 195 lbs, demonstrating elite-level adaptability across weight classes. Martin’s style emphasizes efficiency, timing, and positional dominance, making him especially effective at translating high-level concepts into practical tools for students.

Erich Byelick brings an elite wrestling pedigree to Carbon Submission Grappling. A 3-time Florida High School State Champion, National Champion, and NCAA Division I wrestler at Northwestern University, Erich competed at the highest levels of American wrestling, including the Big Ten Conference.

His coaching focuses on takedowns, top pressure, scrambling, and control, seamlessly integrating wrestling into submission grappling and no-gi jiu-jitsu. Erich is known for building athletes who are physically dominant, technically sound, and mentally tough.