Dr. Potthast is chairman and medical director of the Division of Radiology at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2004 as a diagnostic neuroradiologist and pediatric interventional radiologist. He is also associate clinical professor of diagnostic radiology and neuroradiology for the University of South Florida College of Medicine. Dr. Potthast earned his medical degree at the University of South Florida College of Medicine. He completed an internship at the University of Maryland Hospital in Baltimore and his diagnostic radiology residency at the LSU Medical Center Hospital in Shreveport, Louisiana. He completed a fellowship in neuroradiology at the University of South Florida.