James O. Hill is Executive Director of the Anschutz Center for Health and Wellness at the University of Colorado and the author of
The Step Diet: Count Steps, Not Calories to Lose Weight and Keep It off Forever. He and Dr. Wyatt co-founded the National Weight Control Registry. He lives in Denver.
Holly Wyatt, the Anschutz Center's Associate Director, is a physician and clinical researcher at the Center for Human Nutrition at the University of Colorado and the national director for the Centers for Obesity Research and Education. She lives in Denver.