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John Frankl is the founder of Brazilian Jiu Jitsu in Korea. John trained another eight years with Roberto Maia, founder of Boston Brazilian Jiu Jitsu, an original Gracie Barra black belt under Carlos Gracie, Jr., and the cousin of Renzo Gracie and the Machado Brothers. Under Roberto, John received his purple, brown, and black belts. In Boston, he studied and taught at the Gracie Barra Academy, Bos…
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