Marie Vienneau

Senior Vice President and Regional President, Northern Light Health, and President of Northern Light Mercy Hospital

Marie Vienneau, BSN, NE-BC, FACHE is a regional president who is also president of Northern Light Mercy Hospital. 

Marie has spent her career in rural healthcare and is passionate about patients having access to high quality healthcare. As president of Mercy Hospital, Marie serves as the liaison to the board and community and oversees strategic direction, management, and quality of care. Additionally, as regional president, she helps build alignment between rural regional hospitals. 

Marie’s connections to rural Maine run deep. She grew up in Millinocket and East Millinocket, and her father was a millworker for 40 years. Marie was appointed CEO of Millinocket Regional Hospital in 2002 and provided steady leadership during a time of transition in the community. She joined what was then known as Mayo Regional Hospital in 2014 and added CA Dean Hospital to her leadership responsibilities when Mayo Regional Hospital joined Northern Light Health in 2020.

Marie is past president of ACHE Northern New England and a former Regent for ACHE. She currently serves on the Maine Hospital Association Board and Executive Committee, serves on the Destination Moosehead Lake Board, and is a member of the Dover-Foxcroft Kiwanis Club.

Education
Bachelor of Science in Nursing, University of Maine
Master of Health Administration, Kennedy Western University

Marie became president of Northern Light Mayo and CA Dean Hospitals in 2020, a Northern Light Health regional president in 2024, and president of Mercy Hospital in 2025.