Meet Our Martial Arts Instructors for the Greater Boston Area

Owner and Head Instructor

Marcelo Siqueira

​Certifications

• 4th Dan Black belt – Wado Ryu

• Black belt – Brazilian Jiu-jitsu under Leonardo Rodrigues

• 4th Degree BJJ Black Belt – Under Julio Cesar Pereira

• Black belt – Judo

• Black White Prajioud – Muay-Thai

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Competitions 

• 6x State Parana Champion

• 1992 Brazilian National Champion

• 1994 World Champion

• Victories in NAGA and other no-gi grappling competitions

• Member North American Olympic Comm

Instructor

Gustavo Henrique França Paiva

Certifications

• Instructor 4rd degree Black belt in Professional Athlete  of Mixed Martial Arts / MMA Brazilian Jiu - Jitsu  

• Muay Thai Black Prajiou

• Formed by the master Vinicius Magalhães Draculino 6th degree Black belt, GBTX and GBBH chief instructor

• Style: Gracie Jiu-Jitsu and Mixed Martial Arts and Boxing Professional 

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Competitions

• 🥇BJJ Asian Champion

• 🥇BJJ European Champion

• 🥇Boston Open Jiu Jitsu

• 🥇PanAmerican Champion

• 🥇Champion Brazilian Cup

• 🥇Brazilian Team Champion

• 🥇2 times Brazilian Champion

• 🥇4 times State Champion (MG, Brazil)

• 🥇Champion 1st Arena Búzios / RJ

• 🥇5 times Champion Golden Lion Cup

• 🥇Super Cup Champion Rip Dorey BH 

• 🥈2nd International Champion Rio Open 

• 🥈2 times  2nd Brazilian Team Champion

• 🥉3rd Place Brazil Cup

• 🥉3rd Place Brazilian Championship

• 🥉3rd Place Houston International Open (USA)

• 🥉3rd Place Belo Horizonte Winter International Open

• 👊🏽 MMA Record: 17 Wins (2 TKO, 8 Submissions, 7 Decisions); 11 Learnings (2 TKO, 1 Submissions, 8 Decisions)

Instructor

Adamo 

Certifications

• Black Belt in Brazilian Jiu-Jitsu (BJJ)

Instructor

Joao Gomes Jr.

Certifications

• Muay Thai Black Prajiou under Grandmaster Joao Emilio from Chute Boxe

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Competitions

• 👊🏽 Muay Thai Record: 5 Wins; 0 Learnings

• State Champion Sao Paulo in Muay Thai 2016

Instructor

Alex Marshall

Certifications

• ​Black belt – Brazilian Jiu-jitsu under Marcelo Siqueira

• Brown belt Judo under Marcelo Siqueira

• College degree in physical education

• Post-graduation in physiology

• Certified professional referee by IBJJF and Grappling industries​

• ISSA (CPT)

• NASM (CPT)

• EXPERT RATING (CPT)

• AED & CPR

Instructor

Karim Hallab

Certifications

• Black Belt in Brazilian Jiu-Jitsu (BJJ)

Instructor

Uelliton da Silva Souza

Certifications

• Muay Thai Black Prajioud

• Brazilian Jiu-Jitsu (BJJ) Purple Belt 

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Competitions

• Professional MMA Fighter

• 👊🏽 MMA Record: 9 Wins; 2 Learnings

Instructor

Victor Pereira 

Certifications

• Muay Thai Black Prajioud