Ben Greenfield is a health consultant, speaker, and New York Times bestselling author of 17 books, including Boundless, Boundless Parenting, Boundless Kitchen, Beyond Training, Fit Soul, Spiritual Disciplines Journal, Boundless Cookbook, and Endure. 

A former collegiate tennis, volleyball, and water polo player, bodybuilder, and 13-time Ironman triathlete turned professional obstacle course racer, Ben has been voted “America’s Top Personal Trainer” by the NSCA and one of the world’s “Top 100 Most Influential People in Health and Fitness” by Greatist.

A globally recognized voice in biohacking, longevity, and human performance, Ben hosts the acclaimed podcast Boundless Life, where he interviews leading experts and explores cutting-edge research in health, fitness, and optimal living. 

As a sought-after public speaker, he has keynoted at major wellness, performance, and longevity events worldwide, inspiring audiences with his engaging blend of science, storytelling, and practical strategies for living a more vibrant, resilient life.

Ben is the co-founder of Kion, a premium supplement and functional food brand helping people achieve peak performance and longevity through clean, science-backed nutrition, and LIFE Network, a next-generation wellness platform connecting members to world-class experts, group coaching, and transformational community. He also serves as an advisor, investor, and board member for multiple leading companies in the health and fitness industry.