Learn. Compete. Belong.
Whether you’re stepping on the mats for the first time or preparing for your next tournament, Submission Concepts provides world-class instruction in a welcoming environment where students of every experience level can grow.
The Gentle Art of Jiu-jitsu
Brazilian Jiu-Jitsu (BJJ) is a grappling-based martial art focused on leverage, technique, and strategy rather than size or strength. It teaches students how to control an opponent, escape dangerous positions, and apply submissions safely and effectively.
Whether you are training for fitness, self-defense, competition, or personal growth, BJJ offers a structured path for continuous improvement.
Our Lineage:
Submission Concepts is proud to represent a strong and respected lineage in Brazilian Jiu-Jitsu. Our instruction is rooted in proven fundamentals, technical precision, and a commitment to developing well-rounded practitioners.
Students benefit from a curriculum that honors tradition while embracing modern training methods.
Jigoro Kano –> Mitsuo Maeda –> Carlos/Helio Gracie –> Royler Gracie –> Jason Izaguirre –> Dave Siller –> Head Coach Jonathan Ramirez, Coach Bill Roberts, Coach Ralph Morado
Submission Concepts Kids Brazilian Jiu Jitsu Handbook
Why Train at Submission Concepts?
✔️ Beginner Friendly- No Experience? No problem. Every student starts somewhere, and our coaches guide you every step of the way.
✔️ Proven Instruction- Train under experienced black belts and accomplished competitors committed to your success.
✔️ Compettion Opportunities- From local tournaments to superfights, we help students reach their goals.
✔️ Lifelong Community- More than teammates- you’ll find training partners who challenge and support you every day.
Choose Your Training
Brazilian Jiu-Jitsu – Traditional Gi training emphasizing technique, positional control, submissions, and self-defense
No-Gi Grappling – Fast-paced grappling focused on submission attacks, and modern competition techniques
Submission Grappling – Develop takedowns, transitions, and advanced submission systems in a dynamic training environment.
Fundamentals – Perfect for beginners and anyone looking to sharpen the basics that every great grappler relies on.
Meet Your Coaches
Head Brazilian Jiu-Jitsu Coach: Jonathan Ramirez
Tuesdays & Thursdays Kids 4:45 PM & 5:30 PM | Saturdays 11:45 AM
Tuesdays & Thursdays Adults 7:15 PM
Coach Jon has been practicing Martial Arts for 20 years, is a 2nd Degree Brazilian Jiu Jitsu Black Belt, has fought professionally in MMA, and has extensive competitive and teaching experience. He has a background in Brazilian Jiu Jitsu, Muay Thai, Self Defense (kids and adults), Submission Grappling & Combat Jiu Jitsu.
Striking & No-Gi Coach: Coach William Roberts
Mondays 9:30 AM -Striking | Wednesdays 9:30 AM -Fundamental No Gi
Coach Bill is a 2nd Degree Black Belt under Dave Siller, a 4th Degree Black Belt in Tang Soo Do, and has experience studying Muay Thai. He is a 35+ year martial artist that has fought amateur MMA and competed numerous times in Jiu Jitsu. Coach Bill also specializes in and works with Law Enforcement officers.
Fundamentals Coach: Ralph Morado
Wednesdays 8:30 PM
Coach Ralph is a 2nd Degree Brazilian Jiu-Jitsu Black Belt under Dave Siller, with over 20 years of experience in Jiu-Jitsu and MMA. As an officer, he incorporates fundamental training methods designed for real-life scenarios. He has an extensive background in coaching and developing high-level competitors, supported by many years of his own competitive experience.
Morning Jiu-Jitsu Coach: Jason
Tuesdays & Thursdays 10:30 AM
Coach Jason received his Brown Belt from Coach Jonathan Ramirez, and has been training and teaching at Submission Concepts for over 4 years. With his background as a Professor of Physical Therapy, Jason brings a sound and organized teaching curriculum to his classes.
Submission Grappling Coach: Arturo Tanguma
Mondays 7:15 PM – Submission Grappling | Tuesdays & Thursdays 8:30 PM – MMA | Wednesdays 7:15 PM – Kickboxing | Fridays 7:30 PM – Adult Sparring
Coach Arturo brings more than 20 years of experience teaching kids and adults while continuing to compete at the professional level. His coaching focuses on building solid fundamentals, technical precision, and the confidence to perform under pressure- whether you’re stepping into the gym for the first time or preparing to compete.
Kids Assistant Jiu-Jitsu Coach: Krystle Kruizenga
Tuesdays & Thursdays 4:45 PM & 5:30 PM
Krystle is a Jiu-Jitsu Brown Belt under Coach Jonathan and has 16+ years experience studying Martial Arts. She is currently the Kid’s Jiu-Jitsu Assistant Coach and has been teaching children’s BJJ classes at SUBCON for 10+ years. With a Bachelor’s of Science in Athletic Training and a Masters of Science in Sports Management, Krystle brings her knowledge of human physiology and her organizational/leadership skills to her teaching style.