About
The Guam Martial Arts Academy (GUMA) is a combat sport and self-defense institution which offers a variety of martial arts classes on Guam. Its owner and head instructor, Jon Tuck is a black belt in Brazilian jiu-jitsu and a professional mixed martial arts (MMA) fighter. Jon has competed at the highest levels of combat sports and was the first MMA fighter from Guam to be signed under the Ultimate Fighting Championship (UFC).
Location
Address: 127 Chalan Pasaheru, Harmon Industrial Park, 96913, Guam
Conveniently located down the street from Home Depot and across the Village of Donki in Tamuning.
Check out our facility!
Why GUMA?
At GUMA, we pride ourselves on fostering a culture built around respect, safety, and inclusivity. These core values guide every aspect of our training and community, creating an environment where everyone feels welcome and supported.
Respect is the foundation of our gym. Whether you're a seasoned competitor or a complete beginner, we treat each other with kindness and professionalism.
Safety is always a top priority. We emphasize proper technique, controlled training, and open communication to minimize risk and prevent injury.
​
Finally, we aim to create a welcoming environment where people from all walks of life can come together, share their passion for BJJ, and build lasting friendships. We believe that martial arts are for everyone, regardless of age, gender, background, or experience level.