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About Us

Gael Force Jiu Jitsu (BJJ) is located less than a mile from Route 80 on Route 206 in Flanders, NJ.  We are housed in a 3000 square foot, modern facility.  Our waiting room offers a large window in order to provide view access to classes in progress.  We have private men and women's changing rooms.  We offer complimentary wireless internet throughout the facility.  Our zebra mats are disinfected after every class and steam sanitized every Sunday, cleanliness and safety are among our top priorities.

Our Mission

At Gael Force Jiu Jitsu we believe that the study of martial arts can greatly improve your physical and mental well-being. We pride ourselves in offering a structured and individualized approach to learning. We understand that each student is here for a different reason and has different goals. At Gael Force we work directly with our students in order to set reasonable goals and stand beside them as they accomplish their goals. Alex, the head instructor, used his experience as a public school teacher to create a comprehensive and academically rigorous curriculum for the beginner levels class (BJJ All Levels). This curriculum is designed to teach the foundations of Jiu Jitsu in the most effective and fun way possible.

What is Jiu Jitsu?

Brazilian Jiu Jitsu (BJJ) is a grappling-based martial art whose central theme is the skill of controlling a resisting opponent in ways that force him to submit. Due to the fact that control is generally easier on the ground than in a standing position, much of the technique of Brazilian Jiu Jitsu is centered round the skill of taking an opponent down to the ground and wrestling for dominant control positions from where the opponent can be rendered harmless.


Gaelforce Brazilian Jiu Jitsu Head Instructor Alex Kennedy

Alex Kennedy

Head Instructor

Alex is a black belt in Jiu Jitsu under 3rd degree Renzo Gracie black belt Jamie Cruz.  He has extensive teaching experience.  He taught special education in the Paterson Public school district for 11 years.  He draws on his experiences in the public school setting to ensure structured and individualized instruction.  Alex developed a comprehensive curriculum for the beginners classes specifically designed to make learning Jiu Jitsu as efficient as possible.

Gael force Jiu Jitsu is a Brazilian Jiu Jitsu school located at 3 Goldmine Road, Roxbury Township, ( Morris County) New Jersey.

John Croes

Assistant Instructor

John got his first exposure to Submission Grappling in 2005, but began his formal Brazilian Jiu Jitsu training in 2009 (when he began training in the gi) under Professor Jamie Cruz.  He holds a Brown belt under Professor John “Birdman” Finn and a is veteran of the Renzo Gracie academy in NYC.  John is an avid practitioner, who brings a love for the technical aspect of training in the Gi paired with a desire to train in an efficient and fun style.   As an instructor his goal is to share his thirst for the fundamentals of Jiu Jitsu and help his training partners develop a solid foundation. John is proud to share the mats with his wife and daughters, and humbled to be part of the Gael Force family.

Gael Force Jiu Jitsu is a Brazilian Jiu Jitsu school located at 3 Goldmine Road, Roxbury Township, ( Morris County) New Jersey

Mike Amabile

Assistant Instructor

Mike began training Jiu Jitsu in 2013 under Jamie Cruz and currently holds a purple belt. He has competed and medaled in several local tournaments, including NAGA, The Good Fight, and Grapplers Quest. Mike believes in fighting smart. As an instructor his goal is to help students integrate the fundamental concepts of Jiu Jitsu and link together basic techniques and movements in order to help them develop a unique style of their own.