Professor Greg Lee is a certified Gracie Barra 1st degree black belt Brazilian Jiu-Jitsu practitioner training under the direct technical guidance of Professor Demetrios Diavatopoulos. As an active and highly driven competitive BJJ athlete, Greg brings real-world tournament strategy, elite mat awareness, and modern training methodologies directly to our Montreal academy mats. Having taught across all adult programs for years, he brings a comprehensive understanding of the full Gracie Barra curriculum to every advanced class he leads.

He specializes in coaching our advanced adult and teen programs, seamlessly blending core positioning drills with high-level submission grappling tactics. Professor Greg leverages his lifelong passion for multi-sport athletic training to help students optimize their physical fitness, accelerate technical learning, and develop practical self-defense skills in a structured environment designed for all experience levels.

Whether your goal is to challenge yourself on the competitive tournament circuit or step on the mats for your first advanced class, Professor Greg provides the meticulous guidance needed to achieve your goals safely.