At Ethos Jiu-Jitsu, we are your home for Jiu-Jitsu & Self-defense. We stand for something bigger…We stand for the right of every child to grow up without bullies. Here at Ethos, we offer specialized programs for the entire family: Ethos Kids Classes (ages 5-16), as well as Adult Classes for Beginners and Advanced practitioners. All programs offered are led by professionals with years of experience in Federal Law Enforcement Training, Mixed Martial arts, and professional wrestling.

Place Ethos Jiu-Jitsu Fullerton

Head CoachProfessor: Ron Mukai

BeltBlack Belt

Address & Contact

Our Address

618 N Harbor Blvd unit a, Fullerton, CA 92832, United States


33.8761714, -117.9241498

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Our Useful Features & Services


Gi and No Gi


Jerardo Linares

Free Class

Offers One Free Class