Keith Pratz, MD, is an Associate Professor of Medicine at the Hospital of the University of Pennsylvania, Philadelphia, PA. Dr Pratz obtained his medical degree from the Robert Wood Johnson Medical School, Camden, NJ. He then completed his residency in internal medicine at the Mayo Clinic School of Graduate Medical Education, Rochester, MN, followed by his fellowship in medical oncology at the Johns Hopkins Hospital, Baltimore, MD. Dr Pratz then stayed on at Johns Hopkins University to become the Assistant Professor of Oncology at the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD, where he also is a clinical investigator into novel treatments for acute leukemias.