Our Team

Our world-class health care leaders and progressive thinkers

Executive Sponsors

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Brian Gragnolati

President and Chief Executive Officer

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Kevin Lenahan

Executive Vice President, Chief Business & Strategy Officer

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Sheilah O'Halloran, Esq.

Executive Vice President, General Counsel

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Steven J. Sheris,
MD, FACC, FACP

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

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Nikki Sumpter

Executive Vice President, Chief Administrative Officer

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Arthur Orduña

Board of Trustees, Innovation Advisor, Newlab and EQT advisory

Venture Studio Team

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Doug Hayes

Director of Venture Studio

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Keren Or-Ofri, MD

Director, Virtual Care

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Jenny Soriano, MBA

Innovation Manager

Advisors

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Robert Adams

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

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Douglas Arbittier, MD, MBA

Vice President, Service Lines

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Sunil Dadlani

Senior Vice President, Chief Information Officer

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Linda D. Gillam, MD, MPH, MACC

Cardiologist, Chair of Cardiovascular Medicine at Morristown Medical Center, Medical Director of the Cardiovascular Service Line for Atlantic Health System, and Professor of Medicine at Sidney Kimmel Medical College, Thomas Jefferson University

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Kevin Joyce

Vice President, Insurance Networks, Business Advisory Services

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Thomas Kloos, MD

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

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Mildred Kowalski, PhD, RN, NE-BC, CCRP

Nurse Researcher, Manager, Center for Nursing Innovation and Research

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Yaron A. Moshel, MD, PhD

Neurosurgeon, Co-Director of Gerald J. Glasser Brain Tumor Center

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Trish O’Keefe, PhD, RN

Senior Vice President and Chief Nurse Executive, Atlantic Health System, and President, Morristown Medical Center

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Jessica Peña

Director, HR Workforce Management

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Aarti Ravikumar, MD, MBA

Chief Medical Information Officer for Atlantic Health System and Endocrinologist, Atlantic Medical Group Endocrinology, Diabetes and Metabolism

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Stephanie Schwartz,
MHSA, FACHE

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

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Carol Vargas

Vice President, Integrated Care

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Eric D. Whitman, MD

Surgical Oncologist, Medical Director of Atlantic Health System Cancer Care, Founding Director of Atlantic Melanoma Center, and Interim Chief Research Officer for Atlantic Health System

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James C. Wittig, MD

Chairman of Orthopedic Surgery at Morristown Medical Center and Medical Director of Orthopedic Surgery, Orthopedic Oncology and Sarcoma Surgery for Atlantic Health System

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Christoper Zipp, DO

Chair of the Department of Family Medicine at Morristown Medical Center