Dr. Zabel received his doctoral degree in clinical psychology from Drexel University of Philadelphia, PA in 2000, and completed his internship training at the Kennedy Krieger Institute and Johns Hopkins University School of Medicine. Dr. Zabel also completed a two-year post-doctoral fellowship in pediatric neuropsychology at the Kennedy Krieger Institute and Johns Hopkins University School of Medicine. Dr. Zabel is board-certified in clinical neuropsychology by the American Board of Professional Psychology and is a licensed psychologist in Maryland. He joined the Hopkins/KKI faculty in 2002. He is active in the mentoring programs at the Kennedy Krieger Institute, and participates in the neuropsychological training of externs, pre-doctoral interns and post-doctoral residents. Dr. Zabel is the clinical director of the Department of Neuropsychology, and is active in the development of clinical services and provision of neuropsychological assessments at KKI.