Senior Management Team

Christina “Chrissi” Maguire, BS/BA, MHA, has worked at MDI Hospital Organization for over 13 years and currently is the President and Chief Executive Officer. The Mount Desert Island Hospital Organization, encompasses MDI Hospital, Health Centers, and Birch Bay Retirement Village. Chrissi has been serving the mission of healthcare and life sciences organizations for over 25 years. Chrissi’s background is in finance, accounting, project management, and strategic planning. Her acumen for health care, financial structure, and innovation is most noted in our ongoing strategic efforts, long-range campus expansion, and commitment to moving the Hospital forward in an ever-changing healthcare environment.

Serving in many capacities throughout her career as an accountant, reimbursement specialist, controller, director of fiscal services, and Chief Financial Officer, in October of 2018, she was appointed to serve as the organization’s first Senior Vice President and Chief Operating Officer. Chrissi has also served as the chair of the Public Policy Council, CFO Council for the Maine Hospital Association, the secretary of the Maine Chapter of HFMA, National HFMA Governance Task Force, chair of the CFO Council for the Critical Access Hospital, State of Maine SIM Grant Steering Committee Member, Community Care Partnership of Maine Board of Managers, Maine Hospital Association’s Public Policy Council, and the Task Force on Pricing and Transparency. Chrissi has also been actively involved in the Downeast Treatment Center, Downeast COVID-19 Taskforce, and has served as the Treasurer of the Maine Rural Health Collaborative, LLC.

Chrissi’s commitment extends beyond her professional life. She is an active member of her community, serving as a longtime member of the Ellsworth Lioness Club, a newly elected member of the Board of Trustees for Saint Joseph’s College, and the past president of the Ellsworth Chamber of Commerce and Ellsworth Economic Development Committee. Her past roles include chair of the Lamoine School Board and Treasurer of the Bar Harbor Chamber of Commerce. She is currently a member of the Bar Harbor Chamber of Commerce Finance Committee, demonstrating her dedication to community service.

Outside of her professional and community commitments, Chrissi enjoys a balanced life. She finds joy in biking, skiing, and tennis and cherishes the time spent with her two children, Ashley and Nick. These personal interests reflect her well-rounded personality and her ability to find fulfillment in various aspects of life.

Dana Fadley first joined the MDI Hospital Organization in April of 2019. As Senior Vice President of Provider and Ancillary Services at Mount Desert Island Hospital, he aims to continue the Organization’s tradition of providing high-quality care to the community and working with patients to make sure that their healthcare needs are met. As a career healthcare administrator, he is most proud of the work that he has done to build an atmosphere of teamwork and effective communication throughout every level of healthcare organizations. Dana is a member of the Maine Rural Health Collaborative and has plans to join the Bar Harbor Rotary Club. He holds a BA from the University of New Hampshire.

In his free time, he enjoys playing golf and watching sports, especially the Patriots, Bruins, Red Sox and Celtics.

As Vice President of Finance/CFO and Corporate Compliance Officer, Michelle Smith oversees all finance and accounting activities for the organization, ensures regulatory compliance and manages the ongoing development of compliance policies and programming. Michelle greatly enjoys her work at MDI Hospital. “The organization is providing amazing care for its patients and is continuously challenging itself to always be better,” she says. Since joining the organization in 2015, Michelle has optimized financial performance and demonstrated positive financial and cash flow results.

Michelle previously served as MDI Hospital’s Director of Fiscal Services. She has worked in healthcare finance since 1999, and previously served as a Controller for Maine Coast Memorial Hospital. Michelle graduated from Husson College in 1995 with a degree in Accounting. She also holds a Bachelor’s Degree from the University of Augusta with a primary focus in Business Administration, Accounting and Human Resources.

She serves as Board Treasurer for the Northern New England Chapter of the Health Finance Management Association. Michelle is also an active member of her community, and a lifetime member of Gouldsboro Fire & EMS, where she served as a volunteer firefighter and EMT for more than 15 years.

In her free time, Michelle enjoys spending time with her family, enjoying the outdoors, fishing, snowmobiling, ATV-ing, horseback riding, camping and traveling to new places with her husband.

Dr. Stuart Davidson serves as the Chief Medical Officer (CMO) at Mount Desert Island Hospital, recognized nationally as a top rural hospital for quality care and patient satisfaction. As CMO, Dr. Davidson serves as a liaison between the medical staff, hospital administration and the MDI Hospital Board of Trustees. His role includes staff recruitment, development and revision of medical care protocols, promotion of ethical standards, effective and improved use of medical technology, and the evaluation and resolution of patient and staff concerns. Dr. Davidson is a board-certified orthopedic surgeon recognized by the American Academy of Orthopedic Surgeons and the American Board of Orthopedic Surgery. He received his medical degree from the University of Boston. Following medical school, he attended Georgetown University for a surgical internship and orthopedic residency. Prior to joining MDI Hospital in 2010, Dr. Davidson was in private practice in Virginia.

Dr. Peter Witham specializes in internal medicine. His medical interests and expertise include the evaluation and care of patients with multiple ongoing medical conditions and the care of older patients. He believes in establishing long term relationships between patient and providers leads to the best patient care. “I came to MDI to work with a group of people who are dedicated to caring for both their patients and the community as a whole,” he says.

Outside of work, Dr. Witham enjoys photography, hiking, baking, and spending time with his wife and their Bernese Mountain dogs. He and his wife were originally introduced to MDI when they visited the Appalachian Mountain Club on Echo Lake for a camping trip in the early 90s, and they still go every year.