Samuel Hammerman is Senior Vice President and Chief Medical Officer for Select Medical; in his current role, he oversees the company's division of 110 long-term acute care hospitals. He is also an adjunct clinical assistant professor at Temple University School of Medicine and Philadelphia College of Osteopathic Medicine. Prior to joining Select Medical, Dr. Hammerman served as director of pulmonary and critical care medicine for Geisinger Health System. He has an extensive background in pulmonology and critical care. He has also led innovation initiatives focusing on patient-centered clinical care, operations, quality and safety, and education. A frequent lecturer and published author, Dr. Hammerman is a member of the American College of Physician Executives and the Society of Critical Care Medicine.