Jean Jacques MachadoJean Jacques Machado is a defense tactics consultant to the Los Angeles Police Department, an instructor for the Navy Seals, and the author of Brazilian Jiu-Jitsu Black Belt Techniques. He is a sixth-degree black belt and the head instructor at the RJ Machado Brazilian Jiu-Jitsu Academy in Tarzana, California. He lives in Los Angeles. Read More Read Less
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