Dr. Haas graduated from the University of Illinois Medical School and completed a residency in diagnostic radiology and fellowship in vascular and interventional radiology at the University of Colorado. Dr. Haas then completed a neuroradiology fellowship at Stanford University. His special interest is in interventional neuroradiology. Dr. Haas has certificates of added qualification in neuroradiology and vascular and interventional radiology and is a senior member of the American Society of Neuroradiology. He is an Associate Professor of Diagnostic Imaging (Clinical) at The Warren Alpert Medical School of Brown University.