HCA Healthcare Colleton Medical Center welcomes Colin O'Sullivan as chief executive officer

Walterboro, S.C. — HCA Healthcare Colleton Medical Center is pleased to welcome Colin O’Sullivan as Chief Executive Officer (CEO). O’Sullivan brings more than 25 years of senior leadership experience in the healthcare industry, along with a proven track record of advancing patient care and operational excellence.

Prior to joining the Colleton Medical Center team, O’Sullivan served as CEO at Advanced Dallas Hospital & Clinics, where he led the organization’s strategic vision, strengthened operational performance, and championed high-quality, patient care.

O’Sullivan also served as Executive Vice President at Cornerstone Healthcare Group, Regional Director of Operations/CEO at LifeCare Management Services, and CEO of Regency Hospitals of Meridian and South Atlanta, spearheading initiatives to improve service delivery and clinical operations.

“I am truly honored to serve as CEO of Colleton Medical Center. To join a team of exceptional caregivers at a hospital deeply rooted in this community is a privilege I do not take lightly,” said Colin O’Sullivan, CEO. “Together, we will carry forward Colleton’s commitment to providing compassionate, patient-centered care — improving more lives in more ways, for generations to come.”

O’Sullivan, a U.S. Air Force Veteran, holds a Bachelor of Science in Business Administration from Concord University, a Master of Science in Healthcare Administration from Marshall University, and a Doctor of Healthcare Administration from Central Michigan University.

“It’s a privilege to welcome Colin O’Sullivan as CEO of Colleton Medical Center,” said Missy Feather, Chief Nursing Officer. “His experience and vision will guide us in advancing patient care, building on our hospital’s strong legacy, and inspiring excellence across our entire team.”