North Bay Jiu Jitsu is a mixed martial arts(MMA) academy located in Novato California, in between San Rafael and Petaluma. 


Our primary focus is on grappling arts such as Brazilian Jiu Jitsu which focuses on ground fighting and submissions, as well as Wrestling and Judo which focus on takedowns.


We also include striking arts such as Boxing, Muay Thai(kickboxing) and Karate into our curriculum to compliment our grappling skills.

North Bay Jiu Jitsu(NBJJ) is owned and operated by Tryfon Stathopoulos, a 2nd degree black belt in Brazilian Jiu Jitsu under 5th degree black belt Eduardo Rocha and also a 2nd degree black belt in Mixed Martial Arts under Shihan Mike Valentine. 


Tryfon has been training since 2000 and has been teaching students of all ages since 2005. He has won many championships at all belt levels in sport jiu jitsu and continues to compete regularly.  He opened NBJJ in 2011 in order to share his knowledge and passion for martial arts with his community.