Roy Harris is a martial arts

Martial arts

Martial arts are extensive systems of codified practices and traditions of combat, practiced for a variety of reasons, including self-defense, competition, physical health and fitness, as well as mental and spiritual development....

 instructor based in San Diego, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

. He has been featured in Black belt magazine

Black Belt Magazine

Black Belt is an American magazine covering martial arts and combat sports founded in 1961 by Mitoshi Uyehara. During the early years of the publication, Uyehara was a hands-on owner and publisher...

 and in 2007 was inducted into the Masters Hall of Fame for his pioneering contributions to the martial arts community.

Some of his notable students have been Jeet Kune Do

Jeet Kune Do

Jeet Kune Do is a hybrid martial arts system and life philosophy founded by martial artist Bruce Lee with direct, non classical and straightforward movements. Due to the way his style works they believe in minimal movement with maximum effect and extreme speed. The system works on the use of...

 authority Dan Inosanto

Dan Inosanto

Daniel Arca Inosanto is a Filipino-American martial arts instructor from California who is best known as a student of the late Bruce Lee and authority on Jeet Kune Do Concepts.-Martial arts:...

, and former UFC fighter Jason Lambert.

Roy is also known as one of the few Brazilian Jiu-Jitsu

Brazilian Jiu-Jitsu

Brazilian Jiu-Jitsu is a martial art, combat sport, and a self defense system that focuses on grappling and especially ground fighting...

 instructors to have formalized belt tests for every belt rank up to black belt.