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KRYSTAL JACKSON - OWNER/FOUNDER 

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Krystal Jackson is a former All-American volleyball player for UCLA where she was a four-year starter and led them to top-five finishes all four years she played.

During her sophomore year she needed a shoulder surgery that took her out of competition for six months. 

This surgery plus the revelation that her father had Type 2 diabetes helped her find her passion for weight training and fitness and was voted "Most Conditioned Athlete" on her team a record three times.  

After college she played on the AVP Professional Beach Volleyball Tour and also represented the USA Volleyball internationally in countries all over the world.

After her playing days were over she became instrumental in building Jackson Strength with her husband Curtis. Jackson Strength is a facility specializing in training athletes of all ages, shapes and sizes. 

Due to their passion for learning and love of lifting, they were able to turn Jackson Strength into a premier facility for athletic performance and injury prevention in the San Diego area. 

She has learned from legends in the strength and conditioning world and holds certifications from NASM, CPPS, RYT and CFSP.

She loves lifting weights, yoga, yummy healthy foods, mentoring youth athletes, and spending time with her family. 

Curtis Jackson - owner/founder

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Curtis Jackson is the Founder, Head Strength Coach and Co-Owner of Jackson Strength. He is also the current fitness expert for DiG Magazine and contributor to About.com’s volleyball training page.

As an athlete, Curtis played collegiate volleyball at what he claims to be the finest institution for higher learning on the planet, Long Beach State. He also played professionally on the country’s premier domestic beach volleyball tour, the AVP.

Curtis holds certifications from The National Association of Sports Medicine, The Poliquin International Certification Program, USA Weightlifting, The CHEK Institute, and has completed the Elite Baseball Mentorship at Cressey Performance. He is also a Certified Physical Preparation Specialist under Joe DeFranco and Jim “Smitty” Smith.

He is passionate about learning and credits this for his success in the Strength and Conditioning field. As an athlete, Curtis dealt with chronic knee pain and two knee surgeries. This is the main reason why he is also very passionate about keeping youth athletes healthy and off the surgeon’s table.

Most importantly, he is happily married to his wife Krystal and is an ecstatic father two young boys named Dylan and Slater

JEFFREY TAI — HEAD TRAINER

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Jeff “Big Money” Tai is our very first hire outside of the family. He came to us as an intern at San Diego State where he was pursuing his B.S. in Kinesiology. Very quickly we recognized his value and passion for coaching and made him a part-time employee.

Once he graduated in the Spring of 2015, we were pumped to find out he had aspirations to work for us full-time. Jeff is known for his ability to relate to anyone, his positive approach to coaching, and his vast knowledge on topics such as Olympic Lifting, calisthenics and Ninja training.

Originally from Taiwan, Jeff moved to the states where played youth basketball in Texas at an elite level. Although basketball is more of a recreational sport for him now, he continues to train himself at the highest level in pursuit of being selected for American Ninja Warrior.

Jeff loves variety in his training style and loves to include explosive exercises and anything that challenges coordination.

He is passionate about instilling positivity into everyone he trains and that is big part of why he loves his job at Jackson Strength. Outside of the gym he loves to try new activities and recipes for healthy food and keeps up on the latest scientific breakthroughs.

Jeff has received certifications from USA Weightlifting and the National Academy of Sports Medicine. He is also a Certified Physical Preparation Specialist under Joe DeFranco and Jim “Smitty” Smith.

Luc RENNIE — COACH

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Luc started with the Jackson Strength team 4 years ago as an intern while he was training for a career as a professional baseball player. He went to Torrey Pines high school where he played all-around for the Falcons for two years on Varsity. While with the Falcons he earned All-CIF and San Diego Section honors, as well as pitcher of the year in the Palomar League.

After his senior year he was drafted in the 16th round by the Baltimore Orioles as a pitcher. Luc played three and a half years with the organization and spent last spring playing in Evansville, IN for the Evansville Otters of the Independent Frontier League, where they won the Frontier League Championship.

Over his career Luc has worked with many strength coaches at the professional level which has exposed to many training methods. From those experiences Luc truly understands how to train any athlete with a particular strength in training pitchers.

Luc Loves to be in the gym working with athletes of all ages and has a passion for strength training and nutrition.  When he’s not busy at the gym or training for his own baseball career, you can find Luc at the beach surfing with his friends.

CHRISTOPHER ARRENTZ — COACH

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Chris started seriously training for athleticism while preparing to enter the military. While there he learned just how important strength, endurance, durability and mental toughness were to being successful in his field. He ended his service after 10 years as a Explosive Ordinance Disposal Team Leader where one of his duties was designing and implementing  strength and conditioning programs for his fellow teammates. He also worked with overweight and deconditioned soldiers, helping them lose weight and more importantly, helping them become all around more capable of meeting the physical demands that were expected of them. This really fostered his passion for training people and helping them reach their goals.

He left the military in late 2014 to pursue his AA in Health, Nutrition, and Kinesiology and is now full time at Cal State San Marcos. He loves training with kettlebells and finding new ways to physically challenge himself. He’s currently working on his Corrective Exercise Specialist Certification through NASM and he’s a Certified Fitness Trainer through the International Sports Science Association as well as a Level 1 Sport Performance Coach through USA Weightlifting. His hobbies include surfing, watching movies, learning about other cultures and reading and watching anything about Astronomy.

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Matt’s love for sports and training began with high school football in Half Moon Bay, Ca. Matt was a three year stater on offense and defense there as well as being a 2 time all county player and the defensive lineman of the year in his league his junior season. After High School Matt joined the Navy where he spent four years as an aviation electrician in Coronado, Ca. During this time Matt set the goal to return to football at the collegiate level. During his last 3 years in the Navy Matt trained himself and two other friends, who both now play college football as well.

Upon exiting the Navy Matt enrolled at Southwestern college in pursuit of an AA degree in Kinesiology. He was a two year starter of the Southwestern Jaguars and a defensive captain who lead his team in tackles and helped the Jaguars win a league championship. Shortly after his second season at Southwestern Matt began interning at Jackson strength, where he discovered his true passion of coaching and helping young athletes reach their potential and achieve their dreams. During his time at Jackson strength Matt has received certifications as a Certified Personal Trainer, and Performance Enhancement Specialist from the National Academy of Sports Medicine. Matt is now close to finishing his Fitness Nutrition Specialist form NASM as well as his CPPS certification from Joe DeFranco and James “Smitty” Smith. Matt is now working full time at Jackson Strength and extremely happy about his opportunity to help positively influence the lives of the athletes.

josh sidney - coach

Josh is a hometown student- athlete with many unique experiences and life goals. He earned 3 varsity letters in baseball at Torrey Pines High School, from which he is a class of 2016 graduate.

Josh left sunny SoCal to play Division 1 baseball at Valparaiso University in Northwest Indiana. In one semester Josh claims he grew immensely as a person, athlete, and student. His experience in Indiana was valuable, but ultimately he made the decision to transfer to Palomar Community College. He loves his current school and was a starting pitcher last year on a powerhouse team. He is committed to play at the University of Pennsylvania next year.

Strength and conditioning training has been an integral part of Josh's development as an athlete, and he carries ten years of committed personal experience. His favorite part of coaching is relating to the athletes through his own experiences. He hopes to inspire all athletes with whole-hearted advice and support. Josh hopes to instill the values of hard work, time management, and mental clarity. He sees these as pillars to progress in his own career.

Josh is an aspiring college professor. He loves learning about politics, philosophy, economics, and history. In his free time he enjoys surfing, listening to podcasts, meditation, and comedy.