1. Fellow in Pediatric Anesthesiology, Children's Hospital of Philadelphia; Instructor in Anesthesia, University of Pennsylvania School of Medicine.
2. Fellow in Pediatric Anesthesiology, Children's Hospital of Philadelphia and Philadelphia General Hospital.
3. Director, Division of Anesthesiology, Children's Hospital of Philadelphia; Professor of Anesthesia, University of Pennsylvania School of Medicine.
4. Assistant Professor of Anesthesia, University of Pennsylvania School of Medicine; recipient of a Career Development Award #l-K3-GM-34–092–03 from the National Institute of General Medical Sciences, National Institute of Health.