GARY M. WILLIAMS, M.D., is a professor in the Department of Pathology and Director of Environmental Pathology and Toxicology at New York Medical College. He also serves as head of the Program on Medicine, Food and Chemical Safety. Previously, Dr. Williams served as director of the Naylor Dana Institute and chief of the Division of Pathology and Toxicology at the American Health Foundation. He earned his M.D. from the University of Pittsburgh. Dr. Williams has received numerous honors including the Arnold J. Lehman Award of the Society of Toxicology and the Sheard-Sandford Award of the American Society of Clinical Pathologists. He has served on the editorial boards for many scientific reports and journals. He is the author or co-author of over 430 scientific publications. He previously served on the Committee on Research Opportunities and Priorities for Environmental Protection Agency and the Committee on the carcinogenicity of Cyclamates for the National Academy of Sciences.

STANLEY H. ZLOTKIN, M.D., Ph.D., is a professor in the Departments of Pediatrics and Nutritional Sciences at the University of Toronto, senior scientist and medical director of nutrition support, and chief of the division of gastroenterology and nutrition at the Hospital for Sick Children. He received his Ph.D. from the University of Toronto, his M.D. from McMaster University, and his FRCP(C) from McGill University. His research interests include improved methods for assessing iron status and interventions to prevent iron deficiency anemia in infants and young children. Dr. Zlotkin has served as a consultant on nutrition issues to the Canadian Federal and Provincial Government and as past chairman of the Nutrition Committee of the Canadian Pediatric Society. Currently, he is the nutrition advisor for the International Life Sciences Institute’s Food and Nutrition Safety Committee.