Nancy Clark, a Simmons College graduate, is director of Nutrition Services at SportsMedicine Brookline in Boston, Massachusetts. Clark, who specializes in nutrition for exercise, is a fellow of the American College of Sports Medicine and the American Dietetic Association and a member of Sports and Cardiovascular Nutritionists. Using her expertise in sports nutrition, Clark has written numerous articles for magazines and has written the books Nancy Clark's Sports Nutrition Guidebook and The New York Marathon Cookbook. In addition, Clark has consulted on sports nutrition with various athletes, including Olympic skater Kitty Caruther, PGA golfer Brad Faxon, and tennis player Tim Mayotte.