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

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

Victor Pereira 

Certifications

• Muay Thai Black Prajioud