About Us

Atlantic Health leadership

Atlantic Health's leadership works to ensure that all of our initiatives help further our vision and mission, and that we strive to provide the highest quality care and best possible patient experience.

Executive leaders

Saad Ehtisham

DHA, FACHEPresident and Chief Executive Officer

Scott Leighty

Executive Vice President, Chief Health System Officer

Vicki LoPachin

MD, FACP, MBAExecutive Vice President, Chief Medical Officer

Steven J. Sheris

MD, FACC, FACPExecutive Vice President, Chief Physician Executive

Cody Legler

DNP, APRNSenior Vice President, Chief Nursing Executive

David Nosacka

MHAExecutive Vice President, Chief Financial Officer

Nikki Sumpter

Executive Vice President, Chief People and Administrative Officer

Sunil Dadlani

Executive Vice President, Chief Information and Digital Transformation Officer

Sheilah O'Halloran

Esq.Executive Vice President, General Counsel

Hospital and service line leaders

Robert Adams

MBA, MPA, FACHESenior Vice President, Atlantic Health, President, Atlantic Health Hackettstown Medical Center and Atlantic Health Newton Medical Center

Trish O'Keefe

PhD, RNSenior Vice President, Atlantic Health, President, Atlantic Health Morristown Medical Center

Maureen A. Schneider

PhD, MBA, RN, FACHESenior Vice President, Atlantic Health, Interim President and Chief Executive Officer, Atlantic Health CentraState Medical Center

Stephanie Schwartz

MHSA, FACHESenior Vice President, Atlantic Health, President, Atlantic Health Overlook, Interim President, Atlantic Health Chilton

James Haddock

MBA, CPASenior Vice President, Service Lines Operations

Services leaders

Physician leaders

Andrew Albano

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

Stanley B. Fiel, MD, FACP, FCCP

Chief Medical Officer, Atlantic Health Morristown Medical Center

Christopher A. Herzog

Chief Operating Officer, Atlantic Medical Group

James Matera, DO, FACOI

Chief Medical Officer, Atlantic Health CentraState Medical Center

Dan Newman, MD, MBA

Chief Medical Information Officer

Eric Perez, MD

Chief Medical Officer, Atlantic Health Chilton Medical Center

Geralda Xavier, MD

Chief Medical Officer, Atlantic Health Hackettstown and Newton Medical Centers

Nursing leaders

Cathleen Janzekovich, PhD, MA, FHELA, MEDSURG-BC, NEA-BC

Chief Nursing Officer, Atlantic Health CentraState Medical Center

Heather Veltre, DNP, MS, RN, NEA-BC

Chief Nursing Officer, Atlantic Health Overlook Medical Center

Ginell Walker-Way, RN, BSN, MBA, MAS, NE-BC

Chief Nursing Officer, Atlantic Health Chilton

Donna Watridge, MBA, BSN, RN, CCRN

Interim Chief Nursing Officer, Atlantic Health Morristown Medical Center, System Director, Nursing Operations Atlantic Health

Administrative leaders

Patricia Lamb

Senior Vice President, System Operations

Mike Walter

Senior Vice President, Operational Finance

Mahalaxmi Aburi, Ph.D., MHA

Vice President, Research

Jennifer Brewer

Vice President, Chief of Staff

Katharine Driebe

Vice President, Finance

Modena Henderson, MHA, MT(ASCP), CLS (NCA)

Vice President, Laboratory Services

Sara Jones

Vice President, Workforce Experience

Kevin Joyce

Vice President, Insurance Networks, Business Advisory

Bipin Karunakaran MS, MBA

Vice President, Enterprise Data Analytics

Armond Kinsey

Vice President, Chief Talent and Diversity Officer

Donna Lawson

Vice President, Quality and Patient Safety

Timothy Lise, PharmD, BCPS

Vice President, Pharmacy Services

Paul Marmora, CPA, MBA

Vice President, Ambulatory Services and Network Development

Wayne McNulty

Vice President, Chief Compliance, Privacy, Internal Audit & Research Integrity Officer

Meraz Nasir, MSc, FACHE, CHCIO, CISSP, CRISC, CISM, CCSP

Vice President, Infrastructure & Cybersecurity (CTO/CISO)

Robert Peake

Vice President, Facilities Management and Real Estate

Lauren Repole, JD

Senior Vice President, Deputy General Counsel

Julie Sarinelli, MSN, RN

Vice President, IT Applications

Melanie Shipek, MBA

Vice President, Financial Planning and Analysis

Eric Steinberger

Vice President, Chief Marketing Officer

Carol Vargas

Vice President, Integrated Care

Julia Walker, Esq.

Vice President, Corporate Legal Services

Latest news from Atlantic Health

Press ReleaseBreaking through to the future: Atlantic Health Overlook Medical Center starts work on massive upgrade to surgical servicesAtlantic Health Overlook Medical Center marked the next phase of its transformation with construction of the John E. Reeves Center for Advanced Surgery.

Press ReleaseAtlantic Health Names Cody D. Legler, DNP, APRN, as Senior Vice President, System Chief Nursing ExecutiveAtlantic Health is pleased to welcome Cody D. Legler, DNP, APRN, to the executive leadership team as Senior Vice President, System Chief Nursing Executive.

Press ReleaseAtlantic Health Names Vicki LoPachin as Executive Vice President & Chief Medical OfficerAtlantic Health is pleased to announce the appointment of Vicki LoPachin, MD, FACP, MBA, as Executive Vice President & Chief Medical Officer.

Press ReleaseAtlantic Health and K Health launch innovative AI platform to improve access to care across New JerseyAtlantic Health and K Health launch PatientGPT and Virtual Primary Care, delivering personalized AI-powered health guidance and convenient access to trusted care.

Press ReleaseTwo Atlantic Health Hospitals Named Among New Jersey's Top Three by U.S. News & World ReportAtlantic Health announced today that Atlantic Health Morristown Medical Center and Atlantic Health Overlook Medical Center have again been ranked in the top three hospitals in New Jersey by U.S. News & World Report in its 2026-2027 Best Hospital rankings.

Press ReleaseAtlantic Health Gagnon Cardiovascular Institute at Morristown Medical Center receives significant gift from Crum & Forster Atlantic Health Morristown Medical Center received a landmark gift from Crum & Forster to develop a new noninvasive cardiac diagnostic suite, expanding cardiovascular care and patient access.

Press ReleaseThree Atlantic Health Emergency Departments recognized for excellenceAtlantic Health celebrates three emergency departments honored with the 2026 ENA Lantern Award for excellence in emergency nursing, patient care, innovation and team member well-being.

Press ReleaseAtlantic Health Welcomes New Leaders to its Board of Trustees Atlantic Health has welcomed three outstanding leaders to its Board of Trustees and proudly appointed a new Vice Chair to support the organization’s governance.

Press ReleaseAtlantic Health names David Nosacka as Executive Vice President & Chief Financial OfficerAtlantic Health welcomes David Nosacka as Executive Vice President and Chief Financial Officer, bringing extensive healthcare finance leadership to support the system’s growth, innovation, and commitment to high-quality patient care.

Press ReleaseAtlantic Health celebrates longstanding trustee service to patients and caregivers Atlantic Health thanks departing Board of Trustees members for their years of leadership and dedication to advancing patient care across New Jersey.

Press ReleaseGuided with precision: Atlantic Health Overlook Medical Center is 1st in NJ to zero in on tumors with new imaging deviceAtlantic Health Overlook Medical Center debuts GE HealthCare’s StarGuide SPECT/CT, delivering faster, high‑precision 3D imaging to enhance diagnostics, theranostics, and patient care.

Press ReleaseAtlantic Health announces medical center leadership changesHighlighting the strength of its leadership team, Atlantic Health today announced the following updates to its senior executive structure.