1. Fellow in Anesthesia (Cardiac).
2. Associate Professor of Anaesthesia, Department of Anesthesiology, Perioperative and Pain Medicine and Department of Cardiology.
3. Professor of Anaesthesia.
4. Instructor in Paediatrics, Department of Cardiology, Children's Hospital Boston and Harvard Medical School, Boston, Massachusetts.
5. Lecturer on Anaesthesia, Department of Anesthesiology, Perioperative and Pain Medicine.