Dana Adcock has served as Chief Executive Officer of Mason District Hospital since March 2024. She previously spent more than 25 years with the OSF HealthCare system, including serving as Vice President at OSF Holy Family Medical Center. Dana holds an MBA from Western Illinois University and is deeply committed to advancing rural healthcare.

Under her leadership, MDH has earned Gold Seal recognition from The Joint Commission and the American Hospital Association. She is an active member of the American College of Healthcare Executives and the National Rural Health Association, advocating locally and nationally for access to high-quality rural healthcare.