Adult Jiu-Jitsu
Gi & No-Gi · All Levels
Get in shape, learn practical self-defense, and challenge yourself mentally and physically with structured training built for long-term growth.
TEMPE, ARIZONA · EST. 2025
TEMPE'S HOME FOR BRAZILIAN JIU-JITSU.
From first-timers to competitors. Build confidence, discipline, fitness, and real self-defense in a structured, respectful 6,000 sq ft academy.
- Beginner-friendly
- Adults & kids
- Gi & No-Gi
- Structured coaching
- Competition team
Train
FIND YOUR PATH
Four programs, one disciplined approach. Every class is structured to move you forward.
Kids Jiu-Jitsu
Respect · Resilience
More than an activity — young students build respect, resilience, and real-world self-defense in a positive, structured environment that carries into school and life.
Fundamentals
Start Here
Brand new or returning? Fundamentals focuses on technical development, situational awareness, and controlled live training so you progress at your own pace — no pressure.
Competition Training
Sharpen · Compete
For students ready to take it further. Sharpen technique, raise intensity, and test yourself in competition under championship-level coaching.
The Academy
BUILT FOR PROGRESS,
NOT PRESSURE
Diamond Jiu-Jitsu is designed for anyone looking to begin, return, or grow in their training within a structured and respectful environment. Students advance at their own pace, build confidence over time, and become part of a community focused on progress.
Our classes are anything but random. Every session follows a structured approach — technical development, situational awareness, controlled live training, and long-term progression — inside a 6,000 sq ft academy in Tempe.
- 6,000sq ft academy
- Alllevels & ages
- 7day free trial
"Jiu-Jitsu is not about being better than someone else, it's about becoming better than you were yesterday." — Renzo Gracie
Mat Time
CLASS SCHEDULE
Weekly mat time across every program. Times are confirmed when you book — call or grab your free week and we'll place you in the right class.
Adult Gi & No-Gi
Weekday evenings · Saturday mornings
Structured technique blocks followed by controlled live rounds. Gi and no-gi sessions throughout the week.
Fundamentals
Weekday evenings
The on-ramp for new students. Core positions, escapes, and self-defense at a beginner-friendly pace.
Kids Jiu-Jitsu
Weekday afternoons
Age-appropriate classes focused on discipline, confidence, and fundamentals.
Competition Team
By coach placement
Higher-intensity training for students preparing to compete. Talk to a coach to join.
Current weekly times update regularly. Call (480) 338-8352 or claim your free week for the latest schedule.
Coaching
YOUR INSTRUCTORS
Professor Jacob Kassama
Head Instructor · Black Belt
Training since age 9, Jacob earned his Blue and Purple belts under the Mendes Brothers at AOJ in Costa Mesa and his Brown belt under Keenan Cornelius at Legion in San Diego. A multi-time IBJJF champion — including 2017 World Champion and 2-time Pan American Champion (2019 & 2020).
Frank Gonzalez
Program Director / Coach · Blue Belt
Navy veteran (submarines), husband and father. Earned his blue belt under Professor Lucas Rubbo. His mission: a high-quality, welcoming Jiu-Jitsu home for Tempe where beginners feel comfortable and families train together.
Ann Ching
Women's BJJ & Self-Defense · Brown Belt
Army veteran and college professor, training and competing in gi and no-gi since 2014. Since 2023 she leads women's Brazilian Jiu-Jitsu and self-defense, building an encouraging space where women of all levels feel empowered and supported.
Al "Huge" Morello
Instructor · Black Belt
A black belt with over 30 years of experience across systems from 10th Planet to Gracie Jiu-Jitsu. Known for a fun, welcoming teaching style that helps people of all ages and fitness levels feel confident on the mats.
The Community
WHAT STUDENTS VALUE
Representative themes from how students describe training here.
A structured, beginner-welcoming environment where you advance at your own pace — progress, not pressure.
Common student sentiment
Coaching that's respectful and consistent — every class has a plan, not just hard rounds.
Common student sentiment
A supportive community for adults, kids, and families training together in Tempe.
Common student sentiment
Diamond Jiu-Jitsu is a newer academy. These reflect representative themes, not individual named reviews.
Find Us
ON THE MAT IN TEMPE
Diamond Jiu-Jitsu
1805 E Baseline Rd, Ste 103
Tempe, AZ 85283
Hours
- Mon – FriAfternoon & Evening Classes
- SaturdayMorning Classes
- SundayClosed
Call for current class times.
Step On The Mat
CLAIM YOUR FREE WEEK
Tell us your goals, experience level, and schedule. A coach will reach out, answer your questions, and place you in the right class. No pressure — just progress.
Prefer to talk? Call (480) 338-8352