Ben Greenfield is a biohacker, health, performance and longevity coach, ex-bodybuilder, 13-time Ironman triathlete, professional Spartan competitor, speaker and author of The New York Times Bestseller “Beyond Training: Mastering Endurance, Health and Life.” Ben was voted by the NSCA as America’s Personal Trainer of the year and has been named one of the top 100 Most Influential People In Health And Fitness. He is also the founder of Kion. Ben is not only my endurance coach, but he also is responsible for creating my science-based nutrition and supplementation plan.