Executive Leadership

Cristina Contreras, LMSW, MPA, FABC

Chief Executive Officer (Effective September 16, 2024)

Lewis Marshall, MD, JD, MS

Chief Medical Officer

Lillian Diaz, DHR, RN, NEA-BC

Chief Nursing Officer

Nancy Moscoso, MBA

Chief Operating Officer

Zhishen Yang, MPA

Chief Financial Officer

Valerie St. Louis

Chief of Staff

Usha Venugopal, MD

Chief Quality Officer

Cheryl Simmons-Oliver, JD, MBA, MS

Associate Executive Director Community & Public Affairs

James Carr

Sr. Director EITS Infrastructure Services

Ann E. Williams, MSN, RN

Chief Health Informatics

Barbara Marrero

Chief Human Resource Officer

Dina Carter

Chief Experience Officer

John Zhang, PhD

Associate Director Health Analytics

Nasir Iqbal, PharmD

Chief Pharmacy Director

Medical Leadership

Lewis Marshall, MD, JD, MS

Chief Medical Officer

Marc Kanter, MD

Chief of Emergency Medicine

Raji Mohammed, MD

Chief of Anatomic Pathology

Akinola Fisher, MD

Chief of Ambulatory Care

Melinda S. Lantz, MD

Chief of Psychiatry

Maira Fonseca, MD

Chief of Dermatology

Alan Kantor, MD

Chief of Radiology

Robert Pellecchia, MD, DDS

Chief of Dentistry

Shefali Khanna, MD

Chief of Pediatrics

Debra Taubel, MD

Chief of Obstetrics and Gynecology

Wihren Dimitrov, MD

Chief of Medicine

Sherry Melton, MD

Chief of Surgery

Dimitris Giannaris, MD

Chief of Anesthesiology