Neonatology Faculty

Program Leadership

Thomas DiacovoThomas Diacovo, MD
Chief, Division of Neonatology

Medical School: McGill University
Pediatric Residency: Texas Children’s Hospital
Fellowship:  Boston Children’s Hospital


  • Elucidating molecular and biophysical mechanisms that regulate hemostasis and thrombosis with emphasis on the development of humanized animal models, new POC technologies, novel pharmacologic agents, and clinical trials focused on critically ill neonates. 
  • Cell signaling with emphasis on the role of class I PI3Ks in regulating adaptive and innate immune responses.
  • Development and testing of novel blood products for transfusion  

Image: Dr. Jennifer PynnJennifer Pynn, MD
Clinical Assistant Professor of Pediatrics
Fellowship Program Director

Medical School: Downstate Medical Center
Pediatric Residency: Jacobi Medical Center
Fellowship: Columbia University - Morgan Stanley Children’s Hospital

Interests: Medical Education, Non-Invasive Ventilation Strategies, Chronic Lung Disease Prevention

Shanthy SridharShanthy Sridhar, MD, FAAP
Clinical Professor of Pediatrics
Director of Neonatal Services

Associate Program Director

Medical School: Coimbatore Medical College
Pediatric Residency: New York Methodist Hospital
Fellowship: State University of New York at Brooklyn Down State Medical Center

Interests: Neonatal Transport, Newborn Resuscitation, Antibiotic Stewardship


Core Faculty

Dr Surabhi AggarwaSurabhi Aggarwal, MD
Clinical Assistant Professor of Pediatrics

Medical School: Lady Hardinge Medical College, New Delhi, India
Pediatric Residency: Flushing Hospital and Medical Center
Fellowship: Stony Brook Medicine

Interests: Neonatal Nutrition, Medical Education, Simulation

Imge: Dr. Lesley Small-HararyCarly Gomes, MD
Clinical Assistant Professor of Pediatrics

Medical School: Stanford School of Medicine 
Pediatric Residency: Morgan Stanley Children's Hospital-Columbia University Medical Center
Fellowship: The Children's Hospital of Philadelphia

Interests: Neonatal Pain, Brain Development

Tomas Havranek, MD

Interim NICU Medical Director 
Professor of Clinical Pediatrics
Co-Director of Regional Perinatal Center (RPC)


Medical School: Universita Karlova
Pediatric Residency: :Long Island College Hospital @ SUNY Downstate
Fellowship: Children's National Medical Center

Interests: neonatal nutrition, necrotizing enterocolitis, intestinal blood flow evaluation, and neonatal glycemia.

Echezona Maduekwe, MD
Associate Professor of Clinical Pediatrics
Medical School: College of Medicine and Surgery, University of Nigeria
Pediatric Residency: Bronx-Lebanon Hospital Center
Fellowship: Golisano Children's Hospital University of Rochester

Interests: General Newborn Care, Prematurity, Reduction of Morbidity and Mortality Related to Hypoxic Injury in Newborns



Hormuz Nicolwala, MD
Assistant Professor of Clinical Pediatrics
Director, Stony Brook Children's Hospital Infant Apnea Program

Medical School: Texas A&M  University Health Science Center
Pediatric Residency: West Virginia University Pediatric Residency
Fellowship: Stony Brook Medicine

Interests: Patient Safety, Point of Care Ultrasound, Improving Neonatal Care with Technology

Aruna Parekh, MD 
Clinical Associate Professor of Pediatrics
Director of NICU High Risk Follow-Up Clinic

Medical School: Bombay University, India
Pediatric Residency: Long Island College Hospital
Fellowship: North Shore University Hospital

Interests: High Risk Follow-Up of NICU Graduates, Developmental Interventions, IVH Prevention Strategies, Simulation/Procedures, Professionalism in the Workplace

Margaret PearceMargaret Pearce, MD
Clinical Assistant Professor of Pediatrics
Medical School: Ross University School of Medicine

Pediatric Residency: Richmond University Medical Center
Fellowship: Stony Brook Medicine

Interests: Neonatal Nutrition, Quality Improvement, High Risk Follow-up of NICU Graduates

Esther Speer, MD, Esther Speer, MD
Clinical Associate Professor of Pediatrics

Medical School: Johannes Gutenberg University Mainz, Germany
Pediatric Residency: State University of New York Health Sciences Center at Brooklyn
Fellowship: University of Pittsburgh School of Medicine and University of Chicago Hospital and Biological Sciences Division

Interests: Dr. Speers’ Laboratory, an NIH-funded laboratory in the Division of Neonatology of Stony Brook Children’s Hospital, focuses on the mechanisms of the neonatal sepsis-induced inflammatory response and central nervous system inflammation. Utilizing in vitro blood and tissue culture models and in vivo murine models of neonatal sepsis, Dr. Speers’ Lab aims to develop anti-inflammatory pharmacological therapies designed for use in neonates that can improve survival and developmental outcome and mitigate organ injury of infected term and preterm newborns.