Melissa Hartwig and Dallas Hartwig are the authors of US hit It Starts With Food and Melissa is a Certified Sports Nutritionist through the International Society of Sports Nutrition, and is a current candidate for a Masters degree in Health and Nutrition Education from Hawthorn University. Dallas co-owned with Melissa a strength and conditioning facility until co-founding Whole9. In 2012, he founded his functional medicine practice, mentoring under one of the most respected practitioners in the country, Dr.
Daniel Kalish. They live in Salt Lake City.