Mike McGibben

Kentfield MMA Expert Instructors

Try Your First Class Free with 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


Gamal Chasten

Kentfield MMA Expert Instructors

Try Your First Class Free with Gamal Chasten


Like most kids growing up in New York in the 70’s Gamal was a huge fan of Bruce Lee. Gamal began studying martial arts and holds a Black Sash in 7 Star Praying Mantis Kung-Fu from Oritz Chinese Boxing, and has also studied Wing Chun & Escrima. He has been certified as a personal trainer since 1997 and is currently certified through AFAA and NASM. In 2005 he travelled to Thailand and received his certification in Thai Massage from The Thai Massage School of Chiang Mai. In 2012 he received his TRX certification.

Gamal has established his own personal & group training service called FourCore Fitness, based on four principals; functionality, effectiveness, innovation and personal attention. His experience gives him the skills to work with almost any population although he specializes in working with clients faced with the challenge of weight loss, and those interested in sports specific and high intensity training.



Levon Mccormack

Kentfield MMA Expert Instructors

Try Your First Class Free with Levon Mccormack


At the age of 12 Levon began studying the martial art of Brazilian Jiu-Jitsu and continued his martial arts studies to include Western Boxing and then Muay Thai kickboxing. He currently holds a purple belt in Brazilian Jiu-Jitsu and competes in full contact mixed martial arts events with an 6/0 record in amateur MMA.

Holding a Bachelors degree in Kinesiology, Levons’ passion is to improve human performance and reduce injury by applying the structural and functional principles of the musculoskeletal system through the use of specific exercise sequences.

Whether you want to incorporate fight drills into your work out routine or simply learn to use the full ranges of motion that the body was designed for Levon has the real world experience coupled with the training acumen to make you your best.