Instructors

PRIME HALL

Prime Hall is the founder of UTL and Deep End Fitness. As a former water survival instructor, former Marine Raider and military diver, Prime is a Master Instructor Trainer in DEF and UTL. Prime is motivated by the rapid improvement of others. Prime currently trains top UFC and Bellator fighters, Olympic swimmers, Surfers, Ultra-endurance athletes and more in the principles of mental focus, on-demand relaxation, the economy of motion and efficient breathing. Prime currently lives and works in the North San Diego County area.

DON TRAN

Don is the co-founder of UTL and Deep End Fitness, he served 12 years in the military as a water survival instructor and as a Marine Raider. He has a passion for fitness and its real-world application, applying his fitness background (CF-L1, RFT-L1, AEA, SSI Open Water Diver, CPT) to teach efficient movement and mental fortitude through DEF and UTL. Don is a Master Instructor Trainer in DEF and UTL and strives to help athletes overcome fears and break boundaries. Don currently lives and works in the Los Angeles and Orange County area.

RICK BRIERE

Rick Briere is a UTL and DEF instructor. Also a former Marine Raider, Rick strives to perpetuate mental and physical growth in all who attend DEF and UTL training sessions through the implementation of our core principles of mental focus, on-demand relaxation, the economy of motion and efficient breathing. Rick currently lives and works in the North San Diego County area.