Professor Michio Grubbs

Head Professor

Professor Michio is an IBJJF certified 4th degree Black Belt Instructor (View Certificate) in the Art of Brazilian Jiu-Jitsu (BJJ) and owner of Excel Martial Arts Academy in Oceanside, CA.

He started learning BJJ under Professor Roy Harris in …

Professor Kidd Grubbs

Academy Director

I started my Brazilian Jiu Jitsu (BJJ) journey in 2009. Having no experience in Martial Arts or any kind of sports training for that matter, I found the Art of BJJ intriguing. It took me a little bit to get going but once I did, I fell in…

Professor Derek Flesher


Professor Derek Flesher began with wrestling in middle school and continued through high school and junior college. He transitioned to Brazilian Jiu Jitsu in 2009 and has…

Professor Djavan Coleman

Gi/No-Gi & MMA

Djavan Coleman began his wrestling journey at San Clemente High School in 2004, where he discovered his passion for combat sports. In 2009, Djavan expanded his expertise to include Brazilian Jiu-Jitsu, boxing…

Professor Steve Kozola

MMA & Kickboxing

Steve Kozola’s passion and dedication took him from a young black belt in Taekwondo to a seasoned professional MMA fighter. Steve began his martial arts odyssey at the age of 12, achieving…

Professor Laurynn Garcia

Gi/No-Gi & MMA

Laurynn Garcia embarked on her martial arts journey in 2008, starting with Taekwondo at Mid California Taekwondo. By 2011, she earned her black belt, and a year later, achieved her 1st degree. Her Brazilian Jiu Jitsu journey…

Professor Eric Charriere

Gi/No-Gi Jiu Jitsu

Eric Charriere’s martial arts journey began in 1977 at the age of five. Eric was introduced to, laying the foundation for his deep-seated passion for martial arts. In 2013, he expanded his expertise…