over 65 publications. Dr. Barr has served as vice president of the Canadian Dietetic Association (now Dietitians of Canada) and is a Fellow of both the Dietitians of Canada and the American College of Sports Medicine. She is currently a member of the Scientific Advisory Board of the Osteoporosis Society of Canada, and the Medical Advisory Board of the Milk Processors Education Program.

JOHN L. BEARD, Ph.D., is a professor of nutrition at the Pennsylvania State University. He received his B.S. from the Stevens Institute of Technology and holds a Ph.D. from Cornell University. Dr. Beard’s research interests are iron assessment, prevention of iron deficiency anemia, and impact of iron deficiency on brain metabolism and cognitive development. Dr. Beard was a member of the National Academy of Sciences’ Committee on Iron Requirements in Pregnant and Reproductive Age Women and Infants and a consultant for the Committee on Military Nutrition. Dr. Beard is also a member of the Steering Committee for the International Nutritional Anemia Consultative Group.

GEORGE C. BECKING, Ph.D., is an associate with Phoenix OHC, Inc., Kingston, Canada, specializing in toxicology and risk assessment related to human health effects of chemicals. Previously, he was a scientist with the World Health Organization (WHO), Geneva working in the International Programme on Chemical Safety, and a research scientist and scientific manager at Health Canada. At WHO, his responsibilities included the evaluation of human health risks from a wide range of chemicals including the essential metals copper and zinc. At Health Canada, Dr. Becking worked as a research scientist with a major focus on the effects of nutrition on the metabolism and toxicity of chemicals. Dr. Becking earned his Ph.D. in biochemistry from Queen’s University in Kingston, Ontario. He has published over 60 papers and book chapters in the fields of biochemistry, toxicology, and risk assessment methodology.

SUSAN T. BORRA, R.D., is Senior Vice President and Director of Nutrition at the International Food Information Council. Ms. Borra is responsible for directing communications programs, executing public affairs strategies, and managing nutrition and food safety issues. Additionally, she oversees the development of consumer education materials and nutrition, food safety, and health programs. Ms. Borra is a member of the American Dietetic Association and is immediate past chair of the American Dietetic Association Foundation. In addition, she is active in the American Heart Association