Dr. Sewall received his medical degree from Johns Hopkins University in Baltimore, where he also completed an internship in surgery. He completed residency training at the University of Wisconsin followed by a fellowship in interventional radiology at the Charles Dotter Institute of Interventional Therapy of the Oregon Health Sciences University. He is certified by the American Board of Radiology, and holds a Certificate of Added Qualification in Interventional Radiology. His special areas of interest include non-surgical placement of Endovascular Grafts – which can replace some types of bypass surgery. He is experienced at other interventional radiology techniques, such as procedures to open clogged blood vessels (peripheral arterial disease) Dr Sewall has been designated as a “Top Doctor” for Chicago 2012 by Castle Connolly, and Chicago Magazine.