Dr. Stephan Grupp is an attending physician in the Cancer Center and the director of Translational Research of the Center for Childhood Cancer Research and the director of the Stem Cell Laboratory at The Children's Hospital of Philadelphia (CHOP). As a pediatric oncologist, he is constantly working to improve results for children battling difficult cancers. Dr. Grupp attended medical school at the University of Cincinnati College of Medicine. He went on to complete his residency at Children's Hospital in Boston followed by a fellowship at Dana-Farber Cancer Institute. Dr. Grupp is board certified in pediatric hematology-oncology.