||Head of Department of Anaesthesiology, Tan Tock Seng Hospital, Singapore.
Senior Consultant, Intensive Care and Pain Medicine, Tan Tock Seng Hospital, Singapore.
Subspecialty training in Critical Care Medicine at the Mayo Clinic in Rochester, Minnesota, USA from 1998-99.
Senior Consultant to the Ministry of Health for the National Deceased Donor Programme.
Clinical Associate Professor with the Yong Loo Lin School of Medicine and Adj Associate Professor with the Lee Kong Chian School of Medicine.
External Lecturer and Examiner for the Neuroanaesthesia and Critical Care Program, University of Padjadjaran, Bandung, Indonesia.