Home     Instructors   Training Schedule   Kentfield Fitness


First Name:*  
Last Name: *


Welcome to Kentfield Mixed Martial Arts
Martial arts taught in a fun and relaxed atmosphere without the aggression or intimidation. Learn Skills, Focus and Discipline that will serve you for life.
Classes for all ages and levels…
Beginning and first time students always welcome and encouraged.
Learn from masters of various martial arts in a low impact and controlled manner 
that allows you to learn techniques without getting injured.

Choose from Jiu Jitsu, Mixed Martial Arts, or Striking based classes.
Learn real world self-defense with solid basics of grappling and striking defense. Gain power, speed, coordination and muscle from serious workouts for your entire body and mind. Private lessons with exceptional teachers and kids classes available too.



Kentfield MMA Expert Instructors


Nico Andrews

Nico Andrews
Age 51, 6'1", 190lbs. Nico is one of the most highly trained martial artists in the world having begun training at age 10 and taking the Pan American Jiu Jitsu World Championship at age 49. He is a Brazilian Jiu Jitsu black belt, a 7th dan Jiu Jitsu black belt (red belt from Osaka), a 7th degree Judo black belt, a 5th Dan Shorin Ryu Karate black belt, a Master Muay Thai Instructor, and a Shaolin Kung-Fu black sash. Nico lives and teaches in Marin County and is the founder and director of World Jiu Jitsu.
Mike McGibben
Mike McGibben
Age 42, 6'2", 225lbs. Mike's training began in San Jose, CA at age 18 and has been anything but traditional, focusing on what works on the streets not what is allowed in tournaments. His training began with Master Dan Choi in Tang Soo Do and Hapkido. He earned a Blackbelt in Tang Soo by 1989. He's trained with Green Berets, Hells Angels, professional fighters, and renowned Japanese, Chinese and Korean martial arts masters. His search for the practical and most effective fighting techniques came under instructors like Master Adam Hsu who is a recognized authority on Northern Chinese Martial Arts with the foundation of Mike's training being the arts of Baji Chuan and Islamic Longfist. His most recent training was in a Pat Miletich affiliated MMA school in Bozeman, Montana where students trained in Behring Brazilian Jiu Jitsu, boxing and Thai Kickboxing. His training with a variety of martial artists has provided a very versatile knowledge of real world self-defense
Diogo Gomes  Serge Gerlach
Serge Gerlach has a long history in martial arts with training in san shou, submission wrestling, BJJ, and Combat Sambo under Alexander Barakov. His 11 years of SAMBO (Russian Military Combatives and Sport Competitive versions) accomplishments include an "Instruc-tor's Rank" from New York Combat Sambo earned in 2008.

Most of his training was in Moscow with Igor Kurinnoy. He won the heavyweight bronze medal at the 1997 Gene LeBell World Grappler's Challenge in Toronto, Canada; a gold medal (2004) and silver medal (2006) at the United Gracie Tournament in San Francisco; a bronze medal at the 2005 Unity Classic Sambo Tournament; and a silver medal at the 2005 and 2007 North American Freestyle Sambo Championships. Serge teaches Combat Sambo classes at Kentfield MMA and throughout the San Francisco Bay area. 11 years of SAMBO (Russian Military Combatives and Sport Competitive versions), including an "Instructor's Rank" from New York Combat Sambo earned in 2008. Amateur competition experiences in many Sport Sambo, Judo, Brazillian Jiu-Jitsu and kickboxing tournaments/events. Extensive seminars in sport and combatives fight training. Combatives seminars placed special emphasis on preventative work and resolution/minimization of force.

 John Lavin

John is the owner/head coach of Lavin MMA. John is a Black Belt and the 2014 California State Grappling Champion (UGF) and Naga title belt holder the last 2 years running. A dynamic teaching style and a true love for Mixed Martial Arts coupled with his 14 years of professional martial arts teaching experience make John an ideal coach for both new and seasoned MMA enthusiasts.

Lavin has won several competitions in Mixed Martial Arts, Kickboxing, and Brazilian Jiu Jitsu, most recently taking home the gold from the Bay Area Jiu Jitsu Classic in the No-Gi Advanced (black belt) division, and winning the 2012 California State Grappling Championship Advanced Division, including a submission victory over UFC Veteran and Brazilian Jiu Jitsu Black Belt Nam Phan. Additionally, he has won the 2012 NAGA San Francisco Expert (Black Belt) Division with the fastest submission of the day, and a hard fought win over BJJ Black Belt Riury Gracie in the finals. John repeated the feat, bringing back the 2013 NAGA title as well, winning all his matches by submission.

John is sometimes jokingly called “The Kid Whisperer” by parents and colleagues, for his one of a kind ability to understand, communicate with, and properly direct children in both Mixed Martial Arts training and behavior outside of classes.

Chris May

As a certified Strength & Conditioning Coach and avid Jiu-Jitsu competitor, Chris May is both a well rounded fighter and coach. Chris is certified by the National Personal Training Institute (NPTI) which specializes in functional fitness.

Having taught group fitness lessons and one on one sessions for over 7 years, Chris’s classes are as tough as they come. With his unique, one of a kind training regiment, Chris will get you in the best shape of your life.

Chris is available for Personal Training in Fitness, MMA, and BJJ for both adults and kids
(415) 455-8018 ©2013 MMA Kentfield. All rights reserved.
Drop in for a visit:

 941 Sir Francis Drake Blvd.

Phone: (415) 455-8018
Email: kentfieldfitness@gmail.com

Designed and SEO by Polygons Media