Dr. Horwitz is the Director of Blood and Marrow Transplant (BMT) at Nationwide Children’s and a professor in both pediatrics and medicine at The Ohio State University College of Medicine. He is board-certified in Pediatric Hematology/Oncology. Dr. Horwitz earned his doctorate of medicine and of biochemistry from Indiana University. He completed his fellowship in Pediatric Hematology/Oncology at Washington University School of Medicine in St. Louis. He was an attending physician at St. Jude’s Children’s Research Hospital and served as a member of its Blood and Marrow Transplantation and Hematopoietic Malignancies programs. Dr. Horwitz was also an attending physician at Children’s Hospital of Philadelphia and an associate professor of pediatrics at Perelman School of Medicine at the University of Pennsylvania. He is an internationally recognized clinician and investigator in blood and marrow transplantation as well as cell therapy and has held many leadership positions, including President of the International Society for Cell Therapy. His research is focused on developing novel therapeutic strategies to improve outcomes after BMT and using mesenchymal stem/stromal cells as cell therapy for a broad array of malignant and nonmalignant disorders.