Susan Roberts, PhD in Nutrition from the University of Cambridge, is professor of nutrition at the Friedman School of Nutrition Science and Policy at Tufts University in the United States, professor of psychiatry and staff member in pediatrics at Tufts University School of Medicine, and co-director of the Tufts Institute for Global Obesity Research. As an internationally-recognized nutrition researcher, she has received numerous prestigious awards for her major contributions to research in the field of nutrition. As part of her work, she is co-leading a consortium of scientists to understand the physiology of the weight-reduced state and co-leads the International Weight Control Registry which is collaborating with scientists in 19 countries to identifying successful weight management practices in different cultures. Dr ROBERTS has published over 280 research papers in research journals including the New England Journal of Medicine and JAMA. In addition, she has sat on national and international committees for dietary recommendations including a recent congress-mandated evaluation by National Academies of Sciences to improve the process of developing Dietary Guidelines for Americans.