Open Mat welcomes all bodies, all abilities, and all experience levels. Our classes are designed to meet you where you are.
Whether you’re just starting out or looking to refine your skills.
JIU JITSU COACHES

Professor Barry Brillantes
Black Belt, Head Coach
His detailed technical approach attracts pro athletes seeking to refine their techniques. His precise (yet playful) nature ensures that every move is learned with the utmost clarity.
Off the mat, ask him about: Fine Dining

Professor Aldred Calantoc
Black Belt
Equipped with his patience, this coach fosters growth through a steady, supportive method. His approach encourages mastery while creating an independent environment for all students.
Off the mat, ask him about: Traditional sacred tattoos

Jason Gaffud
Brown Belt
A coach who leads not with words, but with resilience, humility, and the growth of a true martial artist. His coaching is focused on fundamentals, strong back takes, and steady improvement.
Off the mat, ask him about: Anime

Luigi Jacinto
Brown Belt
This energetic coach brings focus and drive to his sessions. He builds strong connections with his core group of students and encourages a high level of engagement.
Off the mat, ask him about: Cookie cakes

Emerson Santos
Brown Belt
Trained under the Gracie system, he specializes in wrestling with a focused, no-nonsense approach. His teachings emphasize practical techniques you can use in both gi and nogi.
Off the mat, ask him about: Photography

Kat Yaptinchay
Brown Belt
High-energy and motivating, she leads dynamic warm-ups and spars that will push you. Her sessions prioritize intensity, keeping students engaged and ready for challenges.
Off the mat, ask her about: Burgers

Jay Tengco
Brown Belt
A technical expert, this all-around athlete emphasizes precision in every move. His expertise ensures that details contribute meaningfully to your progress.
Off the mat, ask him about: Running Marathons

Chuck Chang
Purple Belt
An international and local veteran competitor with a commanding presence, he pushes students to exceed their limits. His expertise helps unlock new levels of strength.
Off the mat, ask him about: Japanese Food
KIDS JIU JITSU

Professor Barry Brillantes
Black Belt, Head Coach
He makes learning feel like play while focusing on solid in-depth understanding of technique. As a father of two, he’s patient and knows how to keeps kids engaged.
Off the mat, ask him about: Manga

Patty Go
Blue Belt
She is present at practices and assists with class management. Her role remains consistent within the program.
Off the mat, ask her about: Being a fiancee

Jeanne Oliva
Blue Belt
Firm and focused, she brings a no-nonsense attitude to the mat. She sets clear expectations making her the perfect compliment to each session.
Off the mat, ask her about: Desserts

Wilf Arguelles
White Belt
With experience coaching kids in other sports, he brings energy and laughter to every class. His approach fosters both big smiles and development.
Off the mat, ask him about: Badminton

