Dr. Melenhorst obtained his degree of associate professor in continuing education at the Moller institute, Tilburg, Netherlands, and his Masters degree in Medical Biology from the Nijmegen University, Netherlands. He did his PhD at the Leiden University, Netherlands, on the pathogenesis of Aplastic Anemia.
In 1998 Dr. Melenhorst moved to Bethesda, Maryland, where he did his research - first as a post-doc, later as a staff scientist - at the National Heart, Lung, and Blood Institute, National Institutes of Health, on the immunobiology of marrow failure and leukemic disorders, and allogeneic stem cell transplantation. In 2012 he was recruited by Dr. Bruce Levine as Deputy Director of the clinical Cell and Vaccine Production Facility at the University of Pennsylvania. In that position he was responsible for, a.o., building and overseeing activities in the Quality Control and Process Development groups.