Matt Fitzgerald is a certified sports nutritionist and the author of numerous books on running, triathlon, nutrition, and weight loss. His most recent books are Racing Weight Cookbook, Racing Weight Quick Start Guide, RUN: The Mind-Body Method of Running by Feel, Racing Weight, Brain Training for Runners, and The Runner's Diary. Matt is a regular contributor to Men's Fitness, Men's Health, Outside, Runner's World, Bicycling, Running Times, Women's Running, and other sports and fitness publications. Fitzgerald is a featured coach on TrainingPeaks, Pear Sports, and Active.com. He is a certified sports nutritionist (CISSN) licensed by the International Society of Sports Nutrition. He lives and trains near San Francisco, California. Georgie Fear is an endurance athlete, personal trainer, and registered dietitian. She's a healthy foodie and author of two cookbooks Fuel Up and Dig In. Fear graduated with a degree in Nutritional Science from Rutgers University and oversaw the sports nutrition programs for 21 Division I athletic teams. She enjoys answering food and health questions on AskGeorgie.com.