Dr. Sullivan is an attending Neonatologist at the Level IV NICU at Nemours Children’s Hospital – Delaware and carries an clinical assistant professor appointment in Pediatrics at Sidney Kimmel Medical College at Thomas Jefferson University. He also works as an ECMO Resource Physician at Nemours and serves as the site director the fellowship program in Neonatal-Perinatal Medicine. His research interests surround the supportive care of the surgical infant, palliative care and ethics in the critically ill infant and an evolving interest in medical education.