JM Modern Jiu Jitsu’s Resident Blackbelts


Professor Josh Mancuso

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The first Baton Rouge produced Gracie Jiu Jitsu Blackbelt and a 2nd Degree IBJJF Certified Brazilian Jiu Jitsu Black Belt, a Brown Belt in Judo under Doug Fournet, and the Southern Regional Director for the Soul Fighters BJJ Team. Josh has been training jiu jitsu for over 12 years and has been teaching BJJ in South Louisiana for many of those years to hobbyist and competitors alike. Not only coach to many jiu jitsu practitioners, but also coach and cornerman to many local Mixed Martial Arts fighters. Josh has competed in many jiu jitsu tournaments, super fights, and continues to stay actively competing. His passion is spreading jiu jitsu as far and as wide as he can. With the hopes of it touching others in the same life changing way it has touched him. 

Professor Erick Raposo

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Professor Erick has relocated to Baton Rouge from his home town of Rio de Janeiro to partner with Professor Josh as the head instructors. Professor Erick is an IBJJF Certified 2nd Degree Black under Bruno “Tank” Mendes of Soul Fighters BJJ Association. Also a seasoned referee for the International Brazilian Jiu Jitsu Federation, multiple time Super Fight, IBJJF Open Champion, American & Brazilian NoGi National Champion. Erick started practicing Jiu-Jitsu in Rio De Janeiro, Brazil in his early teens. Since that time, Raposo has dedicated his life to teaching Brazilian Jiu-Jitsu to kids, adults, and families as well as competing and winning at the highest level in BJJ. Professor Raposo teaches all his classes with a passion that has helped many of his students reach new heights and improve not only their skill level on the mats but also their confidence, courage, and character. He is jiu jitsu.

Professora Jessica Guedry

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Professora Jessica Guedry is JM Modern Jiu Jitsu’s first female jiu jitsu blackbelt, and our most successful competitor. Professora Jessica started training Jiu Jitsu under Josh fresh out of high school and has dominated her divisions all through her competition career. She has been ranked number 1 in the world at both her purple and brown belts, as well as being the only Louisiana resident to ever win a gold medal at the IBJJF World Championship in the adult division (The most prestigious tournament league in existence). Jessica has not only won her division at the World Championships but also claiming the top spot in the open weight division where she dominated all her opponents of all weight classes. She has been a passionate instructor for both children and adults for many years. Jessica exceeds any and all expectations she has been tasked with and is truly our queen here at JM Modern Jiu Jitsu.

Professor Jon Meyer

Professor Jon has a crushing and powerful style of jiu jitsu. Jon’s style stems from years of wrestling and mma experience mixed with very technical modern jiu jitsu. Jon is dangerous both off his back and on top.

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Professor Doug Fournet

BJJ Blackbelt

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Professor Travis Medine

Professor JC Pennington

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Professor Eduardo Neves

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Professor John O'Donoghue

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