Senior Leadership Team

Matthew Hesketh was named President of Good Samaritan Medical Center in 2021. Matt has been with Steward Health Care since 2009. Matt has more than nine years of health care leadership experience with a focus on high-quality care, innovative services, operational excellence, and community commitment.

Matt joined Good Samaritan Medical Center in 2014, most recently serving as Chief Operating Officer (COO), Vice President of Operations, and Director of Quality and Patient Safety.  As Chief Operating Officer at GSMC, Matt has overseen extensive programmatic development that has resulted in GSMC becoming the first Level III Trauma Center in MA EMS Region V, and an Orthopedic Center of Excellence for Total Joint Replacement, a designation from The Joint Commission.

Prior to his tenure at Good Samaritan Medical Center, Matt held several positions within the Steward Health Care system including Manager of Performance and Regulatory Preparedness at Morton Hospital, Quality and Performance Improvement Analyst for Steward Corporate Offices and a role in Finance and Administration at Carney Hospital.

Matt holds a Bachelor of Arts from Boston College and a Master of Business Administration with a concentration in Healthcare Administration from Southern New Hampshire University. 

Matthew Cotti re-joined Good Samaritan Medical Center as Chief Financial Officer in July 2017. Matt has been with Steward Health Care since 1999. Matthew brings over 20 years of health care finance and operations leadership experience to his role at Good Samaritan Medical Center.

Matt began his career at Good Samaritan Medical Center as a Financial Information Specialist and went on to serve in various financial positions throughout the Steward system including Chief Financial Officer for Quincy Medical Center and Steward Home Care.

Matt earned his Bachelor of Science in Finance, Cum Laude, from Bridgewater State College.

Kenneth Lawson, MD, FACEP was named Chief Medical Officer (CMO), at Good Samaritan Medical Center in 2018.  As CMO, Dr. Lawson leads the medical staff with a focus on clinical quality, safety, and physician engagement.

Dr. Lawson previously served as Chief of the Emergency Department at Signature Healthcare Brockton Hospital. Prior to that Dr. Lawson served as associate chief of the Emergency Department at South Shore Hospital. Dr. Lawson brings many years of leadership and a dedication to clinical excellence and collaboration to his role at Good Samaritan Medical Center.

Dr. Lawson received his undergraduate degree in Nautical Science from The United States Merchant Marine Academy.  He graduated from Tufts University School of Medicine and completed his residency in Emergency Medicine at Boston City Hospital and internship at Carney Hospital.

Dr. Lawson is board-certified in Emergency Medicine and is a Fellow of the American College of Emergency Physicians.

Melody O’Keefe, MSN, RN, NEA-BC, CEN, was named Vice President of Patient Care Services and Chief Nursing Officer in July 2022.  Melody leads all aspects of Good Samaritan Medical Center’s Division of Nursing with a focus on clinical excellence and advancing the professional practice of nursing.

Melody was previously the Associate Chief Nursing Officer (ACNO) at Good Samaritan Medical Center.  Melody has also served as a Patient Care Director for Inpatient Post-Surgical and Telemetry care at Good Samaritan Medical Center and Patient Care Director of the Emergency Department at Morton Hospital. Prior to that, Melody served as Director of Nursing and Emergency Care at Carolinas Health Care System in Concord, North Carolina.

Melody earned her Diploma and Associates degree in Nursing from Louise Harkey School of Nursing in Concord, North Carolina. She earned her Bachelor of Science in Nursing from Winston-Salem State University and a Master of Science in Nursing from The University of Phoenix.

Rick Tetrault has been named Chief Operating Officer in May of 2023 after serving as Vice President of Operations since returning to GSMC in December of 2021.

Rick has been a member of the Steward Health Care team since 2011, when he joined the management team at Good Samaritan Medical Center.  He advanced to become a Director of Operations at Good Samaritan Medical Center before he went on to serve as Executive Director of Radiology and Emergency Medicine for Steward Medical Group (SMG) Northeast.  Rick then joined St. Elizabeth’s Medical Center where he was Senior Director of Radiology, Oncology, and Ancillary Services.

Rick holds a Bachelor of Science from the University of Massachusetts at Dartmouth and a Master’s in Science in Health Sciences/Clinical Leadership from The George Washington University School of Medicine and Health Sciences.