Matt Fitzgerald is an endurance sports author, coach, and nutritionist. His many books include Running the Dream, 80/20 Running, and How Bad Do You Want It? Matt’s writing has also appeared in numerous magazines and on many popular websites. He is the cofounder and co-head coach of 80/20 Endurance and the creator of the Diet Quality Score smartphone app. A lifelong endurance athlete, he speaks frequently at events throughout the United States and internationally.