| Rank | Name |
| Chairman | Dr Raymond Seet |
| Vice-Chairman | Dr Ng Kok Pin |
| Honorary Secretary | Dr Wee Chee Keong |
| Member | Dr Andrew Hui |
| Dr Amy Quek | |
| Dr Lin Xuling | |
| Co-opted Member | Dr Yong Ming Hui |
| Rank | Name |
| Chairman | Dr Raymond Seet |
| Vice-Chairman | Dr See Siew Ju |
| Honorary Secretary | Dr Ng Kok Pin |
| Board Members | Dr Gosavi Tushar Divakar |
| Dr Kevin Tan | |
| Dr Lin Xuling | |
| Co-opted Members | Dr Amy Quek |
| Rank | Name |
| Chairman | Dr Nagaendran Kandiah |
| Vice-Chairman | Dr Kevin Tan |
| Honorary Secretary | Dr See Siew Ju |
| Board Members | Dr Pan Beng Siong Andrew |
| Dr N V Ramani | |
| Dr Raymond Seet | |
| Dr Shahul Hameed Wahab Syed | |
| Co-opted Members | Dr Gosavi Tushar Divakar |
| Dr Lin Xuling |
| Rank | Name |
| Chairman | Dr Deidre Anne De Silva |
| Vice-Chairman | Dr Nagaendran Kandiah |
| Honorary Secretary | Dr Kevin Tan |
| Board Members | Dr Pan Beng Siong Andrew |
| Dr See Siew Ju | |
| Dr Tang Kok Foo | |
| Dr Shahul Hameed Wahab Syed | |
| Co-opted Members | Dr Chan Yee Cheun |
| Dr Lim Shih Hui |
| Rank | Name |
| Chairman | Dr Chan Yee Cheun |
| Vice-Chairman | Dr Deidre Anne De Silva |
| Honorary Secretary | Dr Nagaendran Kandiah |
| Board Members | Dr Seah Boon Heng Alvin |
| Dr Kevin Tan | |
| Co-opted Members | Dr Lim Shih Hui |
| Dr Shahul Hameed Wahab Syed |
| Rank | Name |
| Chairman | Dr Louis Tan Chew Seng |
| Vice-Chairman | Dr Andrew Pan Beng Siong |
| Honorary Secretary | Dr Chan Yee Cheun |
| Board Members | Dr Deidre Anne de Silva |
| Dr Kandiah Nagaendran | |
| Dr Kevin Tan | |
| Dr Lim Shih Hui |
| Rank | Name |
| Chairman | Dr Einar Wilder-Smith |
| Vice-Chairman | Dr Andrew Pan Beng Siong |
| Honorary Secretary | Dr Louis Tan Chew Seng |
| Board Members | Dr Deidre Anne de Silva |
| Dr Chan Yee Cheun | |
| Dr Lim Shih Hui | |
| Dr Christopher Chen Li-Hsian |
| Rank | Name |
| Chairman | Dr Christopher Chen Li-Hsian |
| Vice-Chairman | Dr Adrian Tan Keng Yew |
| Honorary Secretary | Dr Andrew Pan Beng Siong |
| Board Members | Dr Louis Tan Chew Seng |
|
|
Dr Einar Wilder-Smith |
| Co-Opted Members | Dr Lim Shih Hui |
| Dr N V Ramani |
| Rank | Name |
| Chairman | Dr Christopher Chen Li-Hsian |
| Vice-Chairman | Dr Adrian Tan Keng Yew |
| Honorary Secretary | Dr Andrew Pan Beng Siong |
| Board Members | Dr Louis Tan Chew Seng |
|
|
Dr Einar Wilder-Smith |
| Co-Opted Members | Dr Chang Hui Meng |
| Dr Lim Shih Hui | |
| Dr N V Ramani |