THOMAS INCLEDON, CSCS, RD, a certified strength and conditioning specialist and registered dietitian, is recognized as one of the world's top experts in the science of sports and health. Founder and chief scientific officer of Human Performance Specialists Inc., he has made breakthrough discoveries in the areas of diet, exercise, and weight training. A world record-holder in a variety of "feats of strength" contests, he lives in Chandler, Arizona.
MATTHEW HOFFMAN is a health and fitness writer based in Albuquerque, New Mexico.