| Rank | Name |
| Chairman | Dr Mok Kan Hwei, Paul |
| Vice-Chairman | Dr Toh Song Tar |
| Honorary Secretary | Dr Tan Soon Heng, Terry |
| Members | Dr Tay Hin Ngan |
| Dr Uppal Sandeep | |
| Dr Yeak Chow Lin, Samuel | |
| Dr Yuen Heng Wai |
| Rank | Name |
| Chairman | Dr Paul Mok Kan Hwei |
| Vice-Chairman | Dr Barrie Tan Yau Boon |
| Honorary Secretary | Dr Toh Song Tar |
| Members | Dr Uppal Sandeep |
| Dr Yeo Seng Beng | |
| Dr Yuen Heng Wai |
| Rank | Name |
| Chairman | Dr Yeo Seng Beng |
| Vice-Chairman | Dr Ian Loh Chi Yuan |
| Honorary Secretary | Dr Raymond Ngo Yeow Seng |
| Members | Dr Liu Jia Ying |
| Dr Paul Mok Kan Hwei | |
| Dr Barrie Tan Yau Boon | |
| Dr Uppal Sandeep |
| Rank | Name |
| Chairman | Dr Yeo Seng Beng |
| Vice-Chairman | Dr Ian Loh Chi Yuan |
| Honorary Secretary | Dr Raymond Ngo Yeow Seng |
| Members | Dr Paul Mok Kan Hwei |
| Dr Barrie Tan Yau Boon | |
| Dr Uppal Sandeep | |
| Dr Yuen Heng Wai |
| Rank | Name |
| Chairman | Dr Peter Lu Kuo Sun |
| Vice-Chairman | Dr Ian Loh Chi Yuan |
| Honorary Secretary | Dr David Loke Kok Teik |
| Members | Dr Raymond Ngo Yeow Seng |
| Dr Valerie Tay Su-Lin | |
| Dr Toh Song Tar | |
| Dr Yeo Seng Beng |
| Rank | Name |
| Chairman | Dr Peter Lu Kuo Sun |
| Vice-Chairman | Dr Paul Mok Kan Hwei |
| Honorary Secretary | Dr Jeevendra Kanagalingam |
| Members | Dr Kenneth Oo Kian Kwan |
| Dr Ian Loh Chi Yuan | |
| Dr Toh Song Tar | |
| Dr Raymond Ngo Yeow Seng |
| Rank | Name |
| Chairman | Dr Huang Shoou Chyuan |
| Vice-Chairman | Dr Yeo Seng Beng |
| Honorary Secretary | Dr Toh Song Tar |
| Members | Dr Peter Lu Kuo Sun |
| Dr Euan Murugasu | |
| Dr Paul Mok Kan Hwei |
| Rank | Name |
| Chairman | Dr Huang Shoou Chyuan |
| Vice-Chairman | Dr Yeo Seng Beng |
| Honorary Secretary | Dr Paul Mok Kan Hwei |
| Members | Dr Chan Kwai Onn |
| Dr Julian Lee Cheow Yew | |
| Dr Adrian Saurajen Siew Ming |
| Rank | Name |
| Chairman | Dr Siow Jin Keat |
| Vice-Chairman | Dr Leong Hoo Kwong |
| Honorary Secretary | Dr Huang Shoou Chyuan |
| Members | Dr Nelson Chee Wang Cheng |
| Dr Lynne Lim Hsueh Yee | |
| Dr Yeo Seng Beng |
| Rank | Name |
| Chairman | Dr Siow Jin Keat |
| Vice-Chairman | Dr Leong Hoo Kwong |
| Honorary Secretary | Dr Huang Shoou Chyuan |
| Members | Dr Nelson Chee Wang Cheng |
| Dr Euan Murugasu | |
| Dr Luke Tan Kim Siang | |
| Dr Yeo Seng Beng |