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Aj Arroyo

Aj Arroyo is the founder of Optimal Power Performance (OPP) located in Tempe, Arizona. Aj has helped athletes from youth to professional sports achieve their highest level of performance. Aj obtains the Westside Barbell Special Strength Certification from Westside Barbell. As well as the CSCS (Certified Strength and Conditioning Specialist) through the National Strength and Conditioning Association. He is certified by Driveline Baseball with the Foundations of Pitching Certification. He is also a certified Functional Range Conditioning mobility specialist (FRCms) which is an advanced mobility system developed by Dr. Andreo Spina. Within that system he is also a certified Functional Range Strength Coach (FRSC)

Under Aj’s guidance, OPP has grown from only providing strictly strength training services in Arizona to now providing education, nutrition, baseball specific skills training and remote coaching all over the country. Guiding both athletes and coaches on their pursuit for optimal training tactics. After testing these tactics for years with several athletes and himself, Aj developed ‘OPP Training Systems’ and ‘Conjugate 4 Athletes’ educational courses. These courses educate coaches on the application of scientific based strength and conditioning means, methods, and tactics that have been derived from theoretical research and backed by real athletes’ results.

After a tough college experience not getting the results he wanted and a short lived professional career in lower level Independent Baseball, Aj was consumed with figuring out how and why he didn’t reach his potential. Always searching for ways to improve himself either in the gym or on the field. This constant search sparked the rest of his career in coaching. Aj is perhaps most known for his work with baseball players, however the work he has done with many NBA players have earned him a seat at the table when it comes to training high level basketball players. Aj specializes in special strength training, speed development, mobility training, hitting/throwing instruction; and athletic performance enhancement.

Kaleb Wersland

Kaleb Wersland is the Director of Nutrition and assistant Strength Coach for OPP. Kaleb played 4 years of collegiate baseball and received his degree in Exercise Physiology. Certified through Precision Nutrition, (PN1) Kaleb provides our athletes with personalized meal plans. Combining our strength training services with Kalebs insight and nutritional guidance has given our athletes the edge we were looking for. Kaleb has served as a strength consultant for both Yakima Valley and Skagit Valley Collegiate baseball teams. His intern experience with Sterling Physical Therapy and Sterling College broadened his horizons as a strength coach and has made him a tremendous asset to our athletes. Kaleb has also ran a successful nutrition business on his own, helping countless clients achieve their goals via his expertise.

Dallas Wicklander

Dallas Wicklander traveled down to OPP for an internship that he successfully completed. Dallas was a former trainee of OPP and already had a quality understanding of our training tactics, methods and principles prior to joining our staff. During his internship we saw the imense value and eagerness to learn that he brought to the table every day. Following his internship, he was promoted to a Lead Strength Coach position at our 2nd location in Kirkland Washington. Follow along with Dallas and what he’s doing at OPP by visiting our IG page for this location.
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What we do is simple but not easy...

We get our high school baseball players college scholarships.

We get our college players prepared for their future career in pro baseball.

We get our pro players better so they can climb the ranks and play at the highest level of pro baseball.

  • 280+ College Commits
  • 120+ 90mph HS pitcher breakthroughs
  • 25 Pro Contracts
  • Must be at least 14+ to apply