Jack A. Segal has been named vice president of public relations for Comcast's Greater Chicago Region, which serves 2 million customers in Illinois, northwest Indiana and southwest Michigan. Before joining Comcast, Segal was vice president of public affairs for Blue Cross and Blue Shield of Illinois. In 25 years in communications, Segal also has worked for Edelman in its health practice in Chicago and with the American Health Information Management Association, American Medical Association and Chicagos Michael Reese Hospital and Medical Center. He has a B.S. in public relations from the University of Florida in Gainesville.