Senior Leadership Team
Craig Williams, President
Craig Williams is an experienced health care leader with an impressive record of success over his 25-year career at hospitals and health systems. He comes to St. Elizabeth’s from Partners HealthCare International, where he served as Executive Director for Global Programs and developed operational improvement strategies for hospitals around the world. Previously, he served as the Chief Operating Officer for Elliot Health System in southern New Hampshire and spent six years as the Chief Operating Officer for both Tufts Medical Center and the Tufts Medical Center Physicians Organization, where he helped dramatically improve the system’s finances. Craig and his wife CarolAnn live in Wakefield, Massachusetts with their three children; Madelynne, MaryKate, and Joe.
Dicken S. C. Ko, BSc, MD, FRCSC, FACS, Vice President, Medical Affairs
Dr. Ko is responsible for hospital-wide quality, enhancing patient experience and providing oversight of our medical staff office and medical staff affairs. Dr. Ko earned a Bachelor’s in Physiology/Biology from the University of British Columbia and a medical degree from Queen’s University. He completed his residency in urology at the University of British Columbia and fellowship in transplantation at MGH. Dr. Ko was dually appointed to the staff of the Departments of Urology and Surgery at the MGH in 1997 where he was a part of the urology and abdominal organ transplantation program (kidney, liver, and pancreas transplantation). From 2004-2012, Dr. Ko was promoted to the Surgical Director of the Renal Transplant Program.
Dr. Ko joins St. Elizabeth's from Massachusetts General Hospital where he served as Director of Regional Urology, overseeing affiliate sites, integrating clinical practices, sharing academic and community programs, developing lean practice programs, and exploring regional growth opportunities.
Bridget A. Stewart, MBA, LPD, Vice President, Operations
Bridget A. Stewart, MBA, MS, is responsible for oversight of clinical ancillary services, facilities, environmental services, emergency management, food and nutrition and Spiritual Care. Bridget joins St. Elizabeth's Medical Center from ECG Management Consultants where she has been serving as an interim Chief Operating Officer at Rutgers Health Group. In addition, she is an adjunct faculty member and serves on the advisory committee at Regis College in Weston, MA in the Masters of Healthcare Administration program. Prior to joining ECG, she served as Vice President for Physician Services at Elliot Health System, responsible for oversight, operations and strategy for the multi-speciality Elliot Physician Network. Earlier roles include Vice President of Clinical Operations at the Joslin Diabetes Center, Administrative Director at Children's Hospital Boston, Associate Administrator in the Department of Medicine a Brighton and Women's Hospital and Administrator of Clinical Programs in the Department of Cardiology at the University of Iowa Hospital. Bridget received a Bachelor of Science in Health Management and Policy and a minor in Health Promotion at the University of New Hampshire. She also received her Master's in Business Administration from St. Ambrose University in Davenport Iowa and her Doctorate of Law and Policy from Northeastern University in Boston, MA. She resides in Wayland with her husband and daughter.
Jeffrey P. Dion, Chief Financial Officer
Jeffrey P. Dion serves as Chief Financial Officer (CF) of St. Elizabeth's Medical Center, overseeing all budget functions and managing all aspects of accounts, payroll, general accounting and revenue cycle. Previously, Jeff served as CFO of Newton-Wellesley Hospital and prior to that as CFO of Marborough Hospital. He worked for UMass Memorial Health Care system for 11 years where he assumed roles of increasing responsibility. Dion, who lives in North Andover, holds a Masters of Business Administration degree from Duke University and his Bachelors in Economics from Dartmough College.
Maureen Mulkerrin, MS, RN, Interim Chief Nursing Officer and Vice President, Patient Care and Vice President, Quality, Safety and Patient Experience
Bonnie Bystrek, Vice President, Human Resources