Power upon the mat
Brazilian Jiu Jitsu, Boxing, Wrestling, Muay Thai, Dutch Kickboxing and MMA under Sensei Jon Tuck — 3rd degree black belt and former UFC fighter. Compete, get fit, or just train.
3RD
Degree black belt
UFC
Former pro fighter
12+
Classes weekly
0
Ego required
SENSEI JON TUCK
3rd degree black belt · former UFC fighter
Learn from a fighter who's been to the top
Jon Tuck fought the best in the world inside the UFC octagon and earned his 3rd degree black belt the hard way — one rep at a time. Now he brings that championship knowledge home to Guam.
"We don't chase hype — we chase reps. Show up with an open mind, absorb like a sponge, and leave all ego at the door. Let's level up!"
- Abu Dhabi World Professional Jiu Jitsu World Champion
- Oceania Wrestling Champion
- 9 x UFC, Bellator, and Rizin Veteran — proven at the highest level
In the Octagon & on the mat
From the UFC octagon to the Jiu Jitsu podium.
The squad
From competition teams to everyday training partners — this is the crew that makes GUMA home.
What we train
Six disciplines, one roof. Stack them however you want — or go all-in on one.
Gi & No-Gi
Brazilian Jiu Jitsu
Grappling, submissions, and the ground game that built the academy.
Striking
Boxing
Footwork, head movement, and hands that land — pads, bags, and controlled sparring.
Takedowns
Wrestling
Chain wrestling, scrambles, and top control that wins rounds.
8 Limbs
Muay Thai
Elbows, knees, clinch work, and brutal conditioning from the art of eight limbs.
Combinations
Dutch Kickboxing
High-volume combination striking with heavy low kicks and relentless pressure.
All ranges
MMA
Everything under one roof — striking into takedowns into submissions.
Class Schedule
Youth and adult classes six days a week. Bring water and a good attitude.
Monday
White gi only- 5:30 PMYouth Jiu Jitsu Fundamentals6-15 yrs
- 6:45 PMAdult Jiu Jitsu16+
Tuesday
- 5:00 PMYouth Grappling & Striking6-15 yrs
- 6:00 PMAdult Striking16+
- 6:45 PMAdult Jiu Jitsu16+
Wednesday
- 5:30 PMYouth Jiu Jitsu Fundamentals6-15 yrs
- 6:45 PMAdult No-Gi16+
Thursday
- 5:00 PMYouth Grappling & Striking6-15 yrs
- 6:00 PMAdult Striking16+
- 6:45 PMAdult Jiu Jitsu16+
Friday
- 6:30 PMOpen MatAll levels
Saturday
- 11:30 AMSuper Plyos / Strength & ConditioningAll levels
- 12:30 PMMMA Tech Spar16+
Choose your path
Whether you want gold medals, a six-pack, or just a place to sweat — there's a lane for you.
Just train & get fit
POWER UP
No fighting required. Burn up to 600 calories a session, build strength and mobility, and leave the mat stronger than you arrived.
Competition team
TOURNAMENT SQUAD
Sensei-led fight camp for the International Jiu Jitsu Championships and beyond. Live rolls, drilling, and film study with the island's most decorated roster.
Beginners
START FROM ZERO
Never stepped on a mat? Perfect. Our fundamentals program builds your base from day one — no experience, no ego, no problem.
Inside the gym
Full competition mat space, hexagon lighting, and island art on every wall — in Tamuning, Guam.
Mural by Tristan Eaton, American contemporary artist, graffiti and street artist, muralist, graphic designer, and influential designer-toy creator.
Ready to power up?
Send us a DM on Instagram to get started, then drop in and feel the energy for yourself.
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