Jaakko Kaprio, MD, PhD, is a professor of genetic epidemiology, and currently Research Director, Institute for Molecular Medicine, University of Helsinki. He has published over 1300 peer reviewed papers, supervised over 50 PhD theses and has two honorary doctorates. He has been president of the Behavior Genetics Association and of the International Society for Twin Studies. He is a member of Academia Europeae. He is the PI of the Finnish Twin Cohort studies.