Calvin Sun is Director of Informational Products and a senior coach at Invictus Fitness. Calvin is one of the original coaches at Invictus and has been a part of the Invictus community since its inception. He is a USAW Sport Performance Coach, BioForce Certified Conditioning Coach, and has over 10 years of experience in the fitness industry. Calvin studied Kinesiology with an emphasis in Pre-Physical Therapy at San Diego State University and he has completed over a dozen specialty certifications from all fields related to professional fitness coaching.

Calvin is a former national-level powerlifting competitor and he has coached athletes to 12 national championships in the sport of powerlifting. Calvin is also the creator of the Strength Development program at Invictus Fitness. In addition to writing for the Invictus blog, he is also a co-author of “The Invictus Mindset” and his articles have been featured in various industry publications.

Calvin has a passion for the application of science to the study of fitness and utilizes his knowledge of human physiology, sports psychology, and nutrition to enhance athletic performance. He is an experienced professional having worked in the fitness industry since 2006 and has coached hundreds of clients over his career. Prior to his full-time career in the fitness industry, Calvin served in the U.S. Army for 6 years.