1. Medical Officer, Department of Orthopaedic Surgery, Khoo Teck Puat Hospital, Singapore
2. Senior Education Manager, Department of Medical Education Sengkang General Hospital, Singapore
3. Consultant, Department of Plastic Surgery, Royal Hospital for Sick Children,Edinburgh, UK
4. Consultant, Kien Khleang National Rehabilitation Center, Phnom Penh, Cambodia
5. Senior Consultant, Department of Orthopaedic Surgery, Khoo Teck Puat Hospital, Singapore