Tyler J. VanderWeele, Ph.D., is Professor of Epidemiology in the Departments of Epidemiology and Biostatistics, at the Harvard School of Public Health. He holds degrees in mathematics, philosophy, theology, finance, and biostatistics from the University of Oxford, the University of Pennsylvania, and Harvard University. His research in causal inference concerns how we distinguish between association and causation in the social and biomedical sciences and the study of the mechanisms by which causal effects arise. His empirical has been in the areas of perinatal, psychiatric, and genetic epidemiology; various fields within the social sciences; and the study of religion and health. Dr. VanderWeele serves on the editorial boards of Epidemiology, the American Journal of Epidemiology, the Annals of Statistics, Journal of the Royal Statistical Society Series B, Journal of Causal Inference, and Sociological Methods and Research. He is also Editor-in-Chief and co-founder of the new journal Epidemiologic Methods. He is fellow of the American Statistical Association and winner of the 2014 Mortimer Spiegelman Award from the American Public Health Association. He has published over 175 papers in peer reviewed journals, and is author of the book “Explanation in Causal Inference: Methods for Mediation and Interaction”, published by Oxford University Press.