Coaches & Trainers

Carlos Martinez

Level 2 CrossFit Certified Trainer, CrossFit Kids, CrossFit Gymnastics, CrossFit Olympic Weightlifting, CrossFit Kettlebell Carlos Martinez is a certified CrossFit Level 2 head coach for CrossFit 78155. His passion for CrossFit comes from his competitve and athletic background. Carlos has been involved in some type of athletic sport his whole life from football, basketball, baseball and track. Carlos started as a personal trainer but found CrossFit and has not looked back. When asked what he loves most about CrossFit he simply states, The competition. As for why he loves being a coach he says, Having someone tell me I have helped changed their life is priceless. Carlos competed in 2012 CrossFit open w/ a 116 finish out of 3,400 men in our region. Finished 4th at FGB4 Held at Alamo CrossFit. 19th at The Fittest Games 2013 and 23rd in 2014, 1st at the 2013 Pink Heals Tough Enough to Wear Pink and has been a member of CrossFit 78155 Competition team holding several 1st and top place finishes all around the region.

Derek Clark

CrossFit Level 1 Trainer, CrossFit Gymnastics, CrossFit Olympic Weightlifting, and CrossFit Mobility. Derek is Club 78155’s and CrossFit 78155’s Fitness Specialsist with over 10 years of personal training and lifestyle and diet coaching experience with people of all ages and activity levels. From weight loss, to muscle gain, to running marathons, Derek has helped people achieve a wide array of goals."My passion is to help people lead happier, healthier, more active lives overcoming all obstacles." He has been a CrossFit coach since 2010. Derek is also a firefighter and paramedic and truely understands the everyday importance of being an Elite Athlete.


CrossFIt Level 2, CrossFit Gymnastics, CrossFit Weightlifting, CrossFit Kettlebell, and CrsosFit Mobility. Mark comes to us with decades of experience in every modality of fitness. Bodybuilding, powerlifting, Martial Arts, and now CrossFit. Mark has seen it all and brings that wisdom to his coaching. He strives for perfect form and control and is a diligent teacher. His passion for helping others achieve greatness comes from his own personal drive and endless motivation.


John's passion for fitness and health is through the roof.  His goal is to help you succeed and watch you conquer your goals day in and day out.  It' that passion that has helped him succeed and take home a huge second place victory at the City Limits Championship Bodybuilding Competition.  Specializing in group and one-on-one training, John can help you with anything from weight loss, powerlifting, or body building. Contact John for a one-on-one consult TODAY to see what he can do for you!