Dr. Liu is a Professor of Epidemiology at Brown University School of Public Health and Professor of Medicine (Endcrinology) at the Brown University Alpert Medical School. He is also the Director of Center for Global Cardiometabolic Health (CGCH). Dr. Liu earned his PhD in Nutrition and Epidemiology in Harvard University at 1998. His research focused on the etiology of cardio-metabolic diseases with emphasis on identifying nutritional strategies that can predict and prevent these disease phenotypes in human population. Dr. Liu was among the first to validate the efficacy of dietary glycemic load (GL) in population-based studies and prospectively link high GL to increased cardiovascular risk. He has published over 300 peer-reviewed papers, some of which are among the most frequently cited. Dr. Liu is an elected fellow of the Epidemiology Council of the American Heart Association (FAHA), American Society of Clinical Investigation (ASCI), and American Epidemiological Society (AES). He is also the consultant for many national organizations, such as U.S. NIH, CDC, Chinese CDC, NIH in Canada, Medical Research Council in the U.K, as well as in the WHO.