Dallas Hartwig earned a B.S. in Anatomy and Physiology and an M.S. in Physical Therapy from Andrews University, and has been a licensed physical therapist since 2001. He co-owned and operated a strength and conditioning facility with his wife, Melissa, until founding Whole9 in November 2009. He is a Certified Sports Nutritionist through the International Society of Sports Nutrition and an RKC-certified kettlebell instructor. He has completed a functional medicine mentorship through The Kalish Institute and works with clients worldwide. Dallas co-authored the New York TImes bestseller It Starts With Food.