William Dillon, MD is the Elizabeth A. Guillaumin Professor of Radiology, Neurology and Neurosurgery and Executive Vice Chair of Radiology and Biomedical Imaging. Dr. Dillon is a past president of the American Society of Head and Neck Radiology (ASHNR) and the American Society of Neuroradiology.

He was honored to serve as the 2015 ASNR International Outreach Professorship to India and has extensive experience in global health education. Bill enjoys traveling and biking.