J. Alexander Bralley, PhD, CEO of Metametrix Clinical Laboratory, received his B.S. in biology from the University of Illinois in 1975 and his Ph.D. in medical sciences, specializing in neuroscience, from the University of Florida College of Medicine in 1980. He has worked and published in the area of nutritional biochemistry since then. For the past 25 years, he has been CEO and Laboratory Director of Metametrix Clinical Laboratory in Atlanta, Georgia, an internationally recognized clinical laboratory specializing in nutritional and metabolic testing. He has been instrumental in developing testing and interpretation guidelines for innovative nutritional and metabolic analyses. Dr. Bralley has extensive experience in the use of nutritional therapies to treat chronic illnesses through consulting with physicians, reviewing the medical literature, and attending and speaking at conferences, where he is widely sought after to lecture on the use of laboratory testing to define nutrient needs for individuals. He is a member of several professional organizations for nutrition and clinical laboratory science. He is on the editorial review boards for Alternative Medicine Review, the Journal of Applied and Nutrition, and Integrative Medicine: A Clinicians Journal. Dr. Bralley’s ongoing research interests lie in examining the relationship between nutritional, metabolic, and toxic factors, how they affect chronic disease processes and influence health.