Bryan D. James, PhD, is an epidemiologist with the Rush Alzheimer's Disease Center and an assistant professor in the Department of Internal Medicine, Section of Community Epidemiologic Research. James received his doctorate in epidemiology from the Johns Hopkins Bloomberg School of Public Health in 2009, his Master of Bioethics degree from the University of Pennsylvania in 2001, and his Bachelor of Arts in biology and the philosophy of science at the University of Pennsylvania in 1999. He joined the RADC in 2009. His research focuses on identifying risk factors for Alzheimer's disease, dementia, cognitive decline and disability at the population level. In particular, he is interested in social and lifestyle factors that can promote a neural reserve capacity that protects against the clinical manifestation of disease pathology in the aging brain. James is an active member of the Gerontological Society of America and the Society for Epidemiological Research and has published extensively in the areas of cognitive aging, gerontology, neuroepidemiology, and research ethics.