Bryn Mawr, PA — Main Line Health is pleased to announce that Shelly Buck, DNP, MBA, President of Riddle Hospital, has been promoted to President of Ambulatory and Professional Services. In her more than two decades of leadership, Buck has prioritized patient safety and quality care, driving improvements through strengthened clinical operations. As President of Ambulatory and Professional Services, Buck will lead the continued growth and integration of our ambulatory, emergency medical services and professional services, ensuring these areas remain a strong foundation for Main Line Health’s future. “I am deeply grateful for the opportunity to continue serving Main Line Health in this new capacity. As the President of Ambulatory, Post Acute and Professional Services, she has been the driving force behind one of Main Line Health’s most significant strategies: building and advancing a robust ambulatory and outpatient ecosystem.