Melvin Williams is the Director of Human Performance Laboratory at Old Dominion University, and has more than 30 years of lab research with a focus on the role of nutrition in sports. He has written and edited five books on ergogenic aids and the role of nutrition in sports -- his two latest books are The Ergogenics Edge: Pushing the Limits of Sports Performance (Human Kinetics) and Nutrition for Health, Fitness, and Sports, Sixth Edition (McGraw-Hill). He earned a B.S. from East Stroudsburg State College (1962), a Master of Education degree from Ohio University (1963), and a Ph.D. from the University of Maryland (1968), with a doctoral dissertation on the effects of alcohol as a possible means to enhance strength and endurance. He's an accomplished marathon runner, placing first in his age group numerous times in the Marine Corps Marathon, which merited his selection in the Marine Corps Marathon Hall of Fame in 2001.