Karin Fijnvandraat is Professor of Pediatric Hematology at the University of Amsterdam and consultant pediatric hematologist in Emma Children’s Hospital, at the Academic Medical Center in Amsterdam. She trained in Pediatrics and specialized in Pediatric Hematology at the University of Amsterdam. Her clinical focus is on haemophilia, allied bleeding disorders and hereditary anemias such as sickle cell disease. After a fellowship in clinical epidemiology her research focused especially on inhibitor development in patients with moderate and mild hemophilia A. In 2008 she initiated a collaborative European study to identify clinical and genetic risk factors for inhibitor development in moderate and mild hemophilia A, the INSIGHT study with 34 participating Hemophilia Treatment Centers from 10 European countries and Australia. She contributed to several multicenter studies in sickle cell disease, von Willebrand disease and hemophilia.