Dr. Xuehong Zhang is a cancer epidemiologist with medical training. He has over ten years experience in conducting cohort and case-control studies and international consortia. He integrates epidemiology, nutrition/lifestyles, pathology, and –omic techniques to conduct multidisciplinary investigations. The overall theme of his research program is to identify dietary, lifestyle, genetic, and biological determinants of cancer, especially those of colorectum and liver, as well as determine whether these factors influence survival among cancer survivors. Dr. Zhang has received funding from the National Cancer Institute and American Cancer Society. He is passionate about teaching and mentoring, and offers guest lectures in courses at the Harvard T.H. Chan School of Public Health.