Dr. Charles Kahn is Professor and Vice Chair of Radiology at the University of Pennsylvania. He is a Board-certified, practicing radiologist with expertise in body CT and ultrasound, and holds degrees in Mathematics (BA) and Computer Sciences (MS). Professional interests include health services research, decision support, artificial intelligence, information standards, and knowledge representation. Honors include the Gold Medal of the American Roentgen Ray Society, Honorary Membership of the Italian Society of Medical Radiology (SIRM), and elected Fellowship of the American College of Radiology, the American College of Medical Informatics, and the Society for Imaging Informatics in Radiology. He is the Editor of the journal Radiology: Artificial Intelligence.