Horizon Health Network
John Dornan is an Assistant Professor at Dalhousie University and a Senior Endocrinologist at Saint John Regional Hospital. John also serves as Staff Endocrinologist at Horizon Health Network and has held various leadership roles, including President and CEO, Head of Department of Internal Medicine, and Director of Integrated Adult ICU. John holds an MBA from the University of New Brunswick and has completed medical residencies in Endocrinology, Diabetes, and Internal Medicine.