1. Visiting Professor in Anaesthetics, Department of Anaesthetics, Pain Medicine and Intensive Care, Faculty of Medicine, Imperial College London, Chelsea &Westminster Hospital, London. Director of Anaesthesia, Department of Anesthesiology, Gongli Hospital, Pudong, Shanghai, China.
2. Research Fellow in Anaesthetics in Imperial College London, Department of Anaesthetics, Pain Medicine and Intensive Care, Faculty of Medicine, Imperial College London, Chelsea &Westminster Hospital, London. Department of Anesthesiology, Gongli Hospital, Pudong, Shanghai, China.
3. Lecturer in Anaesthetics.
4. Professor in Anesthesiology, Research Institute of Anesthesiology, Xuzhou Medical College, Jiangsu, China.
5. Postdoctorial Research Fellow.
6. Sir Ivan Magill Professor of Anaesthetics, Department of Anaesthetics, Pain Medicine and Intensive Care, Faculty of Medicine, Imperial College London, Chelsea &Westminster Hospital, London.