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Atlantic Health System Leadership

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.


Brian Gragnolati

President and Chief Executive Officer


Kevin Lenahan

Executive Vice President, Chief Business & Strategy Officer


Sheilah O'Halloran, Esq.

Executive Vice President, General Counsel


Amy Perry

Executive Vice President, Integrated Care Delivery and CEO Hospital Division


Steven J. Sheris, MD, FACC, FACP

Executive Vice President, Chief Physician Executive, Atlantic Health System, President, Atlantic Medical Group


Nikki Sumpter

Executive Vice President, Chief Administrative Officer

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


Stephanie Schwartz, MA, FACHE

Senior Vice President, Atlantic Health System, President, Chilton Medical Center, and Interim President, Overlook Medical Center

Quality, Patient Safety, Education and Research


John R. Audett, MD

Chief Medical Officer, Overlook Medical Center


Donna Lawson

Vice President, Quality and Patient Safety

Eric Perez, MD, Interim Chief Medical Officer


Eric Perez, MD

Chief Medical Officer, Chilton Medical Center

Lewis Rubinson, MD

Chief Medical Officer, Morristown Medical Center

Nursing and Patient Experience

Ophelia Byers, CNO, Overlook



Chief Nursing Officer, Overlook Medical Center, and Associate Chief Nurse Executive, Atlantic Health System

Carol Jones, CNO, Morristown


Carol Jones, MSN, RN, NE-BC

Chief Nursing Officer, Morristown Medical Center

Maureen Schneider, CNO, Chilton


Maureen Schneider, PhD, MBA, RN, FACHE

Chief Nurse and Operations Officer, Chilton Medical Center


Donna Watridge, RN, MBA, CCRN-K

Chief Nursing Officer, Hackettstown Medical Center and Newton Medical Center

Administrative Leadership


Sunil Dadlani

Senior Vice President, Chief Information Officer


Katharine Driebe

Vice President, Finance


Madeline Ferraro, Esq.

Vice President, Government and Public Affairs


Terence French

Vice President, Chief Strategy Officer


Eva Goldenberg, Esq., CHC, CHPC

Vice President, Corporate Compliance and Internal Audit, Chief Compliance Officer, Privacy Officer, Research Integrity Officer


Kevin Joyce

Vice President, Insurance Networks, Business Advisory Services