DUKE FUNCTIONAL DEFENSE
TRAIN SMART. FIGHT SHARP. PROTECT YOURSELF.
real training for all ages, women, beginners and seasoned practiTIoners.
Duke Functional Defense is built around practical skill, confidence , discipline, and community. Build confidence, fitness, discipline and real skill through expert coaching in MMA, BJJ, boxing, self defense, weapons systems for adults, women, teens, kids and families.
Classes
mixed levels
WOMEN
Group Classes & Private Training available.
KIDS
bjj mma kenpo
*ESA VENDOR APPROVED
ABOUT US
Jon Duke is the owner and founder of DSD. He started training in the martial arts in 1983. Although Jon trains in traditional and modern systems he shares the passion that his teachers believe in personal self preservation therefore all curriculum and courses he has developed and that are taught at the gym, are based on the importance of functional defense, enhancing self defense skills and not competition. Absolutely every person is important to our gym and has something to contribute "We are Family" absolutely NO EGOS.
Listed are Jon's instructors/coaches as well as belts/credentials earned from them
Chinese Kenpo and Hakutsuru Black Belts under
Larry Naranjo 9th Degree Red-White Belt
• Veteran Law Enforcement
• President Naranjo Karate Kobudo Federation
• Vice-President Sandoval Karate Kobudo Federation
Hakutsuru and Kobudo Black Belts under
Tony Sandoval 10th Degree Red Belt
• Retired Veteran US Marine Corps
• President Sandoval Karate Kobudo Federation
Black Belt American Kenpo under
Ron Chapel 10th Degree Black Belt
• Veteran Law Enforcement
• 1st Generation Ed Parker Black Belt
• Founding member of Black Karate Federation
• Founder of Martial Science University
Licensed Trainer under
Rodney King Jr. 5th Degree Brazilian Jiu Jitsu Black Belt under Rigan Machado
• Founder of Crazy Monkey Defense
• Founder of MonkeyJits

