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

• 5th 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

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

Instructor

Felipe Vignoli

Certifications

• 5th Degree Black Belt Master in Taekwondo 

• ⁠⁠Muay Thai Instructor 

• ⁠⁠Kickboxing Instructor 

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Competitions

• ⁠⁠Brazilian national Team 

• 6x First in the national ranking 

• ⁠⁠Grand Slam Champion 

• ⁠⁠Bronze medal at the World Championship in Seoul, South Korea 

• ⁠⁠7th place at the World Championship in Puebla, Mexico 

• ⁠⁠Bronze medal at the Canada 

• ⁠⁠World Championship Brazil Open 

• ⁠⁠International Champion 

• ⁠⁠Intercontinental Champion Rio 

• ⁠⁠Open International Champion 

• ⁠⁠5x Brazilian Championship Champion 

• ⁠⁠3x Brazilian cup Championship Champion 

• ⁠⁠12x State Champion 

• ⁠⁠5th place in Alicante, Spain 

• ⁠⁠5th place at the Paris Open, France 

• ⁠⁠More than 50 titles in official championships in Brazil

Instructor

Douglas Campbell

Certifications

• Muay Thai Black Prajioud