Ulrich Keil, M.D., Ph.D., M.P.H., F.R.C.P., is a professor emeritus and previous director of the Institute for Epidemiology and Social Medicine at the University of Münster, Germany. He has worked as a consultant to the World Health Organization (WHO) and was president of the European Region of the International Epidemiological Association (IEA) and the World Association of Epidemiologists. He has published 500 scientific articles.