Our Team

Mr. O’Sullivan is a recognized healthcare executive with over two decades of experience in healthcare administration, holding multiple senior leadership positions. His expansive background includes hospital CEO roles, corporate management of national hospital operations, regional health systems, and practice management. Mr. O’Sullivan’s leadership style creates a culture that empowers operations to excel, fosters growth for team members, and positively impacts patient care. His career includes 13 years in the Air National Guard as an Enlisted Airmen and Officer. He earned a doctorate in Healthcare Administration from Central Michigan University, a master’s degree in Healthcare Management from Marshall University, and an undergraduate management degree from Concord College. In his recent role before ADHC, Mr. O’Sullivan was the Executive Vice President for Cornerstone Healthcare Group’s South region.