Matt Fitzgerald is an acclaimed endurance sports coach, nutritionist, and author. His many books include How Bad Do You Want It? and Life Is a Marathon: A Memoir of Love and Endurance. Matt’s writing appears regularly in national magazines such as Men’s Health and Shape and on major websites including NBC.com and competitor.com. He is a cofounder of 80/20 Endurance, an online training resource for endurance athletes. Certified by the International Society of Sports Nutrition, Matt has consulted for numerous sports nutrition companies and he is the creator of the Diet Quality Score (DQS) smartphone app. A lifelong athlete, he speaks frequently at events throughout the United States and internationally.