Matt Fitzgerald is an accomplished endurance sports journalist and bestselling author, having written over 20 books that cover topics such as running, triathlon, fitness, nutrition, and weight loss. His notable works include 'Brain Training for Runners' and 'Racing Weight.' Fitzgerald's expertise is reflected in his regular contributions to prominent national publications like Men's Journal, Outside, and Women's Running.

In addition to his writing, Fitzgerald is an experienced running and triathlon coach and a certified sports nutritionist. He serves as a Training Intelligence Specialist for PEAR Sports and is a featured coach on active.com. His diverse background in both coaching and journalism positions him as a credible voice in the field of endurance sports.