Professor – Demetrios Diavatopoulos
Professor Demetrios is a 1st degree black belt Brazilian Jiu Jitsu practitioner under prof. Bruno Fernandes. He has been an active sports athlete and martial arts competitor for most of his life. He began his martial arts journey at the age of 15 in Kyokushin Karate and has been a student of several martial art disciplines before discovering the effectiveness of Brazilian Jiu-Jitsu in 1993, after watching the first mixed martial arts tournament (UFC). He has been an ambassador of the gentle art ever since.
“I truly believe that the jiu-jitsu we teach at Gracie Barra is for everyone, it brings balance to one’s life on so many levels. Through jiu-jitsu the introvert gains confidence and the extrovert learns humility.”
Prof. Demetrios has a bachelor degree in engineering and is a licensed professional engineer. He is a husband and proud father of two children. He is honored with the privilege of bringing the Ville Saint-Laurent community its first Gracie Barra Brazilian Jiu-Jitsu academy.
Coach – Juan Jorge Borrelli
Coach Juan is a 2nd degree purple belt Brazilian Jiu Jitsu practitioner under prof. Demetrios Diavatopoulos. Having begun his BJJ journey in Argentina, coach Juan continued his training at Gracie Barra Montreal under prof. Bruno Fernandes after moving to Canada. An avid snow boarder and soccer enthusiast, he also volunteers his time helping coach youth soccer.
“Empty your mind, be formless, be shapeless, be like water put into a cup, it becomes the cup. Put water into a teapot, it becomes the teapot. Water can flow, creep, drip or crash – be like water my friend.” – famous Bruce Lee quote
Coach Juan has a bachelor degree in business and a masters degree in finance, he is a multilingual professional with over a decade of experience as a PMO manager, a financial analyst, and a vendor manager. He is a husband and proud father of two children. You can find him Tuesday and Thursday evenings at GB St Laurent teaching the adults fundamentals (GB1) curriculum.
Coach – Greg Lee
Coach Greg is a 3rd degree blue belt Brazilian Jiu Jitsu practitioner under prof. Demetrios Diavatopoulos. An active life long sports athlete and martial arts competitor, Greg is a multi-talented athlete having played sports like Football and Rugby, as well as competed in MMA/boxing competitions and submission wrestling (jiu jitsu) tournaments.
“When Plan A doesn’t work, relax. There are 25 more letters in the alphabet.”
Coach Greg has always been driven to understand people and why they do what they do. He is a recruitment advisor skilled in full-cycle recruitment, mentoring and project management. You can find him Monday and Wednesday evenings at GB St Laurent teaching the adults fundamentals (GB1) curriculum.
Coach – Garen Cakmak
Coach Garen is a 1st degree blue belt Brazilian Jiu Jitsu practitioner under prof. Demetrios Diavatopoulos. Garen enjoys keeping fit with CrossFIT and mobility training and has a passion for BJJ.
“Do or do not, there is no try.” – jedi master Yoda
Coach Garen is a senior director at Hypertherm / Robotmaster. He is a husband and proud father of two children. Even with his extremely busy professional and family schedule, you can find him at GB St Laurent teaching the adults and the kids curriculums.