Podcast:The Joe Rogan Experience Rating: Explicit Published On: Wed Jan 30 2019 Description: Ben Greenfield is a Coach, Author, Speaker, ex-Bodybuilder and Ironman Triathlete. In 2008 he was voted as the Personal Trainer of the Year by the National Strength and Conditioning Association (NSCA) and recognized as the top 100 Most Influential People in Health in 2013. Learn more about your ad choices. Visit podcastchoices.com/adchoices