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 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 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.
Manuel “Manny” Colon-Perez
Manuel “Manny” Colon-Perez is a former Marine, DEF Certified T2 Instructor, and owner of a CrossFit gym in San Clemente, CA. A native of Bayamón, Puerto Rico, Manny competed in Ironman Triathlons and then CrossFit. Since 2018, he's been active in the DEF community and currently trains with Team La Jolla. Manny lives in Dana Point with his wife Erica and two daughters.
Liz Carmouche is a Marine Corps Veteran, Strikeforce Veteran, and UFC Veteran currently fighting for Bellator MMA. She successfully completed 3 combat tours to Iraq. During her third tour she was involved in the lioness program attached to a ground unit on the front line. She was a part of the first female UFC Fight in MMA history. She was the first openly gay MMA Fighter to come out openly on an international scale. She has a degree in psychology. She coaches/mentors elite athletes such Bellator Champion Ilima MacFarlane.