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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.

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, president, Chilton Medical Center


Maureen Schneider, PHD, MBA, RN, FACHE

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

Stephanie Schwartz, president, Overlook Medical Center


Stephanie Schwartz, MHSA, FACHE

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

Quality, Patient Safety, Education and Research


Donna Lawson

Vice President, Quality and Patient Safety

Mahalaxmi Aburi, PHD, MHA


Mahalaxmi Aburi, Ph.D., MHA

Vice President, Research

Stanley Fiel, MD


Stanley Fiel, MD

Chief Medical Officer, Morristown Medical Center

Eric Perez, MD, Interim Chief Medical Officer


Eric Perez, MD

Chief Medical Officer, Chilton Medical Center

Geralda Xavier, MD


Geralda Xavier, MD

Chief Medical Officer, Hackettstown and Newton Medical Centers


John R. Audett, MD

Chief Medical Officer, Overlook Medical Center

Physician Enterprise


Christopher A. Herzog

Chief Operating Officer, Atlantic Medical Group


Thomas Kloos, MD

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


Will Neate

Vice President, Physician Enterprise Strategy

Administrative Leadership

Mike Walter, SVP, Chief Financial Officer


Mike Walter

Senior Vice President, Chief Financial Officer


Katharine Driebe

Vice President, Finance


Madeline Ferraro, Esq.

Vice President, Government and Public Affairs


Terence French

Vice President, Chief Strategy Officer

Sara Jones


Sara Jones

Vice President, Workforce Experience 


Kevin Joyce

Vice President, Insurance Networks, Business Advisory Services


Armond Kinsey

Vice President, Chief Talent and Diversity Officer


Lisa Monfredi

Vice President, Revenue Cycle


Robert Peake

Vice President, Facilities Management and Real Estate

Sunil Dadlani, CIO, Atlantic Health System



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


Eric Steinberger

Vice President, Chief Marketing Officer