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