Renshi Tony Berger is a 6th Degree Black Belt, Goju Ryu originally from Brooklyn, NY. He trained for over 20 years in New York City's Lower East Side and Greenwich Village before settling in Davis, CA where he has been teaching as the chief instructor of the Koguma West Dojo since 2011. He is assisted by his wife, Daisempai Brenna Berger, 4th Degree Black Belt, Goju Ryu. 

Renshi Berger emphasizes free sparring, kata, rigorous calisthenics, philosophy, meditation and yoga and classes are open to all levels.