Thomas Green Thomas Green, MD Professor and Chairman of Pediatrics Childrens Memorial Hospital/Northwestern University Chicago, Illinois This is a very impressive group of authors. Dr. Green is Chairman of Pediatrics at Northwestern, and Physician-in-Chef at Childrens Memorial Hospital, one of the top pediatric hospitals in the U.S. (He succeeds James Stockman, who left the position to become President of the American Board of Pediatrics). Read More Read Less