Michael Riordan

Co-CEO of Prisma Health Michael C. Riordan is responsible for providing the strategic direction and financial oversight for Prisma Health. Prisma is a not-for-profit system, created in 2017 when Greenville Health System and Palmetto Health came together to improve the healthcare for the citizens of South Carolina. Prisma Health is the largest system in South Carolina with 13 hospitals, hundreds of physician practices and ambulatory centers, more than 28,000 employees and 2,800 physicians employed and affiliated, and generates almost $4 billion annual net revenue.

Prior to joining Prisma Health in 2006, he served as president and CEO of the University of Chicago Hospitals and Health System and as senior associate hospital administrator for Emory University Hospital and Crawford Long Hospital in Atlanta, Georgia. Additionally, he served three years in the United States Marine Corps as a lieutenant.

Riordan earned a bachelor’s degree in liberal arts/English and a master’s degree in education/psychology from Columbia University in New York, as well as a master’s degree in health systems from the Georgia Institute of Technology.

Currently, Riordan serves on the governing boards of the Association of American Medical Colleges Council of Teaching Hospitals and Health Systems.