Glenn D. Steele, Jr., MD, PhD, is president and chief executive officer of Geisinger Health System. Dr. Steele previously served as the dean of the Biological Sciences Division and the Pritzker School of Medicine and as vice president for medical affairs at the University of Chicago, as well as the Richard T. Crane Professor in the Department of Surgery. Prior to that, he was the William V. McDermott Professor of Surgery at Harvard Medical School, president and chief executive officer of Deaconess Professional Practice Group, Boston, MA, and chairman of the department of surgery at New England Deaconess Hospital (Boston, MA). Dr. Steele received his bachelor’s degree in history and literature from Harvard University and his medical degree from New York University School of Medicine. He completed his internship and residency in surgery at the University of Colorado, where he was also a fellow of the American Cancer Society. He earned his PhD degree in microbiology at Lund University in Sweden. Dr. Steele serves on several boards including Bucknell University’s Board of Trustees, Temple University School of Medicine’s Board of Visitors, Premier, Inc (Vice Chair), Weis Markets, Inc., and Wellcare Health Plans,