Train with nationally and internationally recognized coaches who have produced World Champions, 250+ records, and 12 powerlifting scholarships. Our coaching staff brings decades of combined experience, championship credentials, and a proven track record of developing elite athletes.
"The driving force behind STX Powerhouse and STX Elite Powerlifting"
Coach Jack has built a powerhouse program producing 250+ records and awarded 12 powerlifting scholarships to athletes. His coaching has produced World Champions at multiple levels of competition, establishing STX Powerhouse as a premier destination for serious powerlifters.
Married to Claire Rangel, Coach Jack is a father to seven boys ranging from college athletes to rising high school lifters. He's building a true powerlifting dynasty with a family tradition of strength, discipline, and winning. This multi-generational approach to powerlifting excellence sets STX Powerhouse apart as a program that develops not just athletes, but champions for life.
Jacob "Nik" Castellanos
"Dedicated to helping others maximize strength, health, and performance"
Coach Nik is a graduate of Calallen High School and Friends University. He is currently pursuing his Doctor of Chiropractic degree at Texas Chiropractic College, bringing a unique blend of athletic performance expertise and advanced medical knowledge to STX Powerhouse.
Coach Nik's approach combines athletic performance, nutrition science, and injury prevention through his chiropractic background. He's dedicated to helping athletes maximize their strength, health, and performance with a strong foundation in both athletics and academics. His unique medical perspective allows athletes to train smarter, recover faster, and perform at their peak.
"Making an impact both on the platform and in the growth of Texas high school powerlifting"
Coach Ivan is an Agua Dulce High School graduate who currently competes on a Powerlifting Scholarship at Friends University. With over 6 years of powerlifting experience, he brings a unique perspective as both an active competitor and dedicated coach. His journey from high school athlete to college scholarship recipient to championship-level coach embodies the pathway STX Powerhouse creates for its athletes.
As a 2x APF National Champion and IPA World Champion, Coach Ivan brings elite competitive experience to every coaching session. His dual role as both an active scholarship athlete and certified judge gives him invaluable insight into the complete powerlifting journey—from high school competitor to college athlete. He's making a significant impact in the growth of Texas high school powerlifting, serving as a living example of what dedication and expert coaching can achieve.
Our coaching staff brings together championship-level experience, advanced education, and a proven track record of developing elite athletes. Together, we've created a powerlifting dynasty built on family values, expert coaching, and relentless pursuit of excellence.
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