Professor of Pediatrics (Critical Care); Director of Trainee Research, Pediatrics; Chair, Pediatric Protocol Review Committee, Human Investigations Committee; Principal Investigator, Pathobiology, Epidemiology and Interventions against Thrombotic and Hemostatic Outcomes (PEITHO) Program, Pediatrics; Visiting Professor of Pediatrics (University of the Philippines College of Medicine)
Professor of Medicine (Cardiology); Co-Director Yale Cooperative Center of Excellence in Hematology, Cardiovascular Medicine
Professor of Pediatrics (Critical Care Medicine); Chief of Pediatric Critical Care, Pediatrics
Assistant Professor of Medicine (Digestive Diseases)
Professor of Laboratory Medicine and of Medicine (Hematology); Vice Chair for Clinical Affairs, Laboratory Medicine; Associate Director, Yale Pathology Residency Program; Director, Clinical Hematology Laboratory