1. Podiatry Department, Singapore General Hospital, Singapore
2. Health Services Research, Changi General Hospital, Singapore
3. NUS Saw Swee Hock School of Public Health
4. Primary Care Integration (GP Engagement), Changi General Hospital, Singapore
5. Primary Care Integration, Changi General Hospital, Singapore
6. Chairman, Division of Continuity Care, Changi General Hospital, Singapore
7. Deputy Chairman, Medical Board (Division of Pre-Hospital & Ambulatory Care, Division of Surgery), Woodlands Health, Singapore
8. Accident & Emergency Department, Changi General Hospital, Singapore