Mads Melbye is affiliated with the Department of Genetics and professor of medical epidemiology at University of Copenhagen, Denmark. Previous positions at e.g. the National Cancer Institute, NIH, USA, before he became State Epidemiologist in Denmark, and later Head of Department of Epidemiology Research, Director of Division of Epidemiology, Director of Division of Epidemiology and Disease Surveillance and The Danish National Biobank and most recently CEO of Statens Serum Institut in Copenhagen, Denmark. Previous academic positions as Danish Research Council Professor, NORFA professor, Foreign Adjunct Professor at Karolinska Institute in Sweden, and Professor in Medical Epidemiology at Copenhagen University. He has written more than 600 publications (H-index: 93 (Web of Science), 118 (Google Scholar)) and is the Dane with most papers in high impact journals in general medicine (NEJM, Lancet, JAMA).