Instructors

Being a coach and instructor is so much more than teaching a set of moves. It is about fostering growth in someone's life.
Undisputed Tucson Gym Jiu Jitsu Boxing Kickboxing MMA

David Reilly

Head BJJ Coach
Brazilian Jiu Jitsu 3rd Degree Black Belt
"I love being a part of the transformation that occurs when someone trains with us, both mentally and physically. I teach and coach jiu jitsu because I love what it does to someone's self confidence and because I simply love seeing people grow."

Matt Blank

Head BJJ Coach (South)
Brazilian Jiu Jitsu Black Belt

“I really enjoy seeing students from all walks of life come together in one room with one common goal. It’s a joy being able to spread jiu jitsu with the next generation of young martial artists."

Undisputed Tucson Gym Jiu Jitsu Boxing Kickboxing MMA

KEITH GUTIERREZ 

Boxing and Kickboxing Instructor
Youth BJJ Instructor
Personal Trainer
“I love my job because it’s very rewarding being a part of a member’s journey to improving their health.”

Undisputed Tucson Gym Jiu Jitsu Boxing Kickboxing MMA

Roberto Braga

Certified Personal Trainer

Roberto is a personal trainer with over 12 years of experience, a Bachelor's degree in Kinesiology & sports nutrition, Master in biomechanics and a background as a high-performance athlete and nutrition. He specializes in creating customized training programs that fit each client’s unique needs and goals. With a passion for fitness and bodybuilding, Roberto is committed to helping clients overcome challenges and achieve their best through expert, personalized guidance. He’s ready to transform your fitness journey and help you reach your goals with confidence.

Undisputed Tucson Gym Jiu Jitsu Boxing Kickboxing MMA

MATT KREAMER

Certified Elementary PE Teacher
Masters in Adapted Physical Education

I am a native Tucsonan who has been teaching for 21 years. I completed my Masters degree from University of South Carolina in June 2021. I started Coach K’s Adapted Athletes to discover what these athletes with special needs are capable of becoming. My goal will be to discover what they can do now and build upon this success. Together, we will help these athletes become lifelong movers.