Atlantic Health System’s leadership works to ensure that all of our initiatives help further our vision and mission, and that we provide the highest quality health care and best possible patient experience.
Suja Mathew, MD, FACP
Executive Vice President, Chief Clinical Officer
Sheilah O'Halloran, Esq.
Executive Vice President, General Counsel and Interim Compliance & Privacy Officer
Steven J. Sheris, MD, FACC, FACP
Executive Vice President, Chief Physician Executive, Atlantic Health System, President, Atlantic Medical Group
Integrated Care Delivery
Robert Adams
Senior Vice President, Atlantic Health System and President, Hackettstown and Newton Medical Centers
Trish O'Keefe, PhD, RN
Senior Vice President and Chief Nurse Executive, Atlantic Health System, and President, Morristown Medical Center
Maureen Schneider, PHD, MBA, RN, FACHE
Senior Vice President, Atlantic Health System and President, Chilton Medical Center
Stephanie Schwartz, MHSA, FACHE
Senior Vice President, Atlantic Health System and President, Overlook Medical Center
Quality, Patient Safety, Education and Research
Stanley Fiel, MD
Chief Medical Officer, Morristown Medical Center
Eric Perez, MD
Chief Medical Officer, Chilton Medical Center
Geralda Xavier, MD
Chief Medical Officer, Hackettstown and Newton Medical Centers
Physician Enterprise
Thomas Kloos, MD
Vice President, Atlantic Health System and President, Atlantic Accountable Care Organization
Nursing and Patient Experience
Ophelia Byers, RN, DNP, APRN, WHNP-BC, NEA-BC, CPXP
Chief Nursing Officer, Overlook Medical Center, and Associate Chief Nurse Executive, Atlantic Health System
Brandee Fetherman, MSN, RN, CCRN-K
Chief Nursing Officer, Morristown Medical Center
Ginell Walker-Way, RN, BSN, MBA, MAS, NE-BC
Chief Nursing Officer, Chilton Medical Center
Donna Watridge, RN, MBA, CCRN-K
Chief Nursing Officer, Hackettstown Medical Center and Newton Medical Center
Administrative Leadership
Mike Walter
Senior Vice President, Chief Financial Officer
Sara Jones
Vice President, Workforce Experience
