JL Holdsworth is a world-champion powerlifter, grip-sport competitor, and former member of Westside Barbell. His competitive best lifts include a 905-pound squat, 775-pound bench press, and an 804-pound deadlift. Along with his lifting achievements, JL holds a bachelor's degree in exercise science and is a former University of Kentucky strength coach. He founded The Spot Athletics in 2011, which has grown into two, 20,000-square-foot private training facilities, where they train athletes from youth to pro, as well as general-population clients. He also cofounded Reflexive Performance Reset (RPR) and consults with many major collegiate, NFL, NHL, and other professional sporting organizations to help them maximize performance. Follow JL Holdsworth on Facebook

Joe Tolve is an IFBB Pro Classic Physique competitor, fitness coach, police officer, and SWAT team operator. Follow Joe Tolve on Instagram

Joe DeFranco is an elite strength coach with the remarkable ability to improve strength, speed, power, mobility, agility, and sport-specific endurance. His clients includes NFL players from all 32 teams, MLB and NBA players, WWE superstars, UFC fighters, Olympic athletes, and high school and college All-Americans. Follow Joe DeFranco on Twitter

Dr Joel Seedman is a neuromuscular expert and performance specialist who works with athletes to improve muscle function and movement mechanics. Follow Dr Joel Seedman on Facebook

Joel Sanders is a top authority on training methods and techniques for fat loss and muscle hypertrophy. He trains sports and physique athletes as well as everyday people out of EXOS in Phoenix, AZ. Follow Joel Sanders on Twitter

John Fawkes is a fitness and habit-building coach who helps people build bodies that are as healthy as they are strong. Follow John Fawkes on Facebook

John Paul Catanzaro is the author of The Elite Trainer and Mass Explosion. He owns and operates a private training facility in Richmond Hill, Ontario. Follow John Paul Catanzaro on Facebook

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John Romano is a longtime industry insider and performance-enhancement specialist. He authored several bodybuilding and fitness books and appeared on HBO, ESPN, ABC's 20/20, and numerous radio talk shows. He is also featured in the acclaimed documentary Bigger Stronger Faster. Romano resides in Guadalajara, Mexico where he owns and operates a Gold’s Gym.

John Berardi, PhD, is the founder of Precision Nutrition, the world's largest nutrition coaching and education company. Berardi advises organizations like Apple, Equinox, and Nike. He's coached the San Antonio Spurs, the Carolina Panthers, US Open Champ Sloane Stephens, and 2-division UFC Champ Georges St-Pierre.

Jon Habeshy is a physical therapist assistant, personal trainer, competitive bodybuilder, and powerlifter with over 10 years of experience in the healthcare and fitness industry. Jon specializes in bridging the gap from post-rehabilitation to high-level fitness with Ripped-N-Resilient Reset. Follow on Instagram

Jon Anthony is an avid biohacker and researcher of all things related to nootropics, performance enhancement, and self-improvement.

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Jonathan Wong is a soft-tissue specialist and the owner and master trainer at Genesis Gym, a private, personal training gym in Singapore. Over the last 10 years his team of fitness coaches has helped more than 10,000 people in Singapore achieve their health and fitness goals. Follow Jonathan Wong on Facebook