JEFF VOLEK, PHD, RD, is an exercise and nutrition researcher at the University of Connecticut and a highly sought-after fitness expert. He contributes regularly to Men's Health and is coauthor, with Adam Campbell, of The Testosterone Advantage Plan. He lives in Allentown, Pennsylvania.
ADAM CAMPBELL is the sports and nutrition editor at Men's Health. A National Magazine Award-winning writer and certified strength and conditioning specialist, he lives in Bolton, Connecticut.