Classes & Events News Feedback Donate

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

Clinical Leadership

Integrated Care Delivery


Amy Perry

Senior Vice President, Integrated Care Delivery, CEO Hospital Division


Alan Lieber

Vice President, Atlantic Health System and President, Overlook Medical Center


Trish O'Keefe, PhD, RN

Vice President, Atlantic Health System and President, Morristown Medical Center


Joseph DiPaolo

Vice President, Atlantic Health System and President, Hackettstown and Newton Medical Centers


Stephanie Schwartz, FACHE

Vice President, Atlantic Health System and President, Chilton Medical Center


Paul Marmora, CPA, MBA

Vice President, Ambulatory Care

Quality, Patient Safety, Education and Research


Jan Schwarz-Miller, MD, MPH

Senior Vice President, Chief Medical and Academic Officer


John R. Audett, MD

Chief Medical Officer, Overlook Medical Center


Louis Brusco Jr., MD, FCCM

Chief Medical Officer, Morristown Medical Center


Jerome Levine, MD

Chief Medical Officer, Chilton Medical Center


Paul J. Owens, MD, MMM, FACC, FACP

Chief Medical Officer, Hackettstown and Newton Medical Centers


Carol Vargas

Vice President, Integrated Care

Physician Enterprise


Steven J. Sheris, MD, FACC, FACP

Senior Vice President, Physician Enterprise and President, Atlantic Medical Group


James E. Barr, MD

Vice President, Clinical Intelligence


Thomas Kloos, MD

Vice President, Atlantic Health System and President, Atlantic Accountable Care Organization


Will Neate

Vice President, Physician Enterprise Strategy


David M. Schreck, MD, MS, FACP, FACEP, FHM

Vice President, Atlantic Health System, Coordinated Care Transitions


Linda J. Gilligan, MS, MBA

Chief Operating Officer, Atlantic Medical Group


Christopher A. Herzog

Chief Financial Officer, Atlantic Medical Group


O. Scott Lauter, MD, MBA, FACP, FHM

Chief Medical Officer, Atlantic Medical Group


Mark Calderon, MD

Chief Medical Officer, Atlantic ACO, Optimus Healthcare Partners and Healthcare Quality Partners

Nursing and Patient Experience


Elizabeth DuBois, MS, CPN, NE-BC

Chief Nursing Officer and Director of Operations, Newton Medical Center


Carol Jones, MSN, RN, NE-BC

Chief Nursing Officer, Morristown Medical Center


Maureen Schneider, PhD, MBA, RN, FACHE

Chief Nurse and Operations Officer, Chilton Medical Center


Mary Pat Sullivan, MSN, RN, CNS

Chief Nursing Officer, Chief Experience Officer, Overlook Medical Center


Donna Watridge, RN, MBA, CCRN-K

Chief Nursing Officer and Director of Operations, Hackettstown Medical Center

Administrative Leadership

Workforce, Innovation, Strategy and Growth


Nikki Sumpter

Senior Vice President, Chief Human Resources Officer


Valerie M. Simon

Chief Marketing Officer, Vice President, Marketing, Communications and Public Relations


Deborah Cancilla, MS

Vice President, Chief Information Officer


Terence French

Vice President, Strategic Development and Network Affiliations


Madeline Ferraro, Esq.

Vice President, Government and Public Affairs

Administration, Finance & Insurance


Kevin Lenahan

Senior Vice President, Chief Finance and Administrative Officer


Katharine Driebe

Vice President, Finance


Lisa Monfredi

Vice President, Revenue Cycle


Sheilah O'Halloran, Esq.

Vice President, Legal Affairs and General Counsel


Kevin Joyce

Vice President, Insurance Networks, Business Advisory Services


Eva Goldenberg, Esq., CHC

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