| Rank | Name |
| Chairman | Dr Edmund Chiong |
| Vice-Chairman | Dr Heng Chin Tiong |
| Honorary Secretary | Dr Kuo Li Chuen, Tricia |
| Members | Dr Chong Yew Lam |
| Dr Lee Lui Shiong | |
| Dr Ng Chee Kwan | |
| Dr Toh Khai Lee | |
| Co-opted Members | Dr David Consigliere |
| Dr Tan Yung Khan |
| Rank | Name |
| Chairman | Dr Edmund Chiong |
| Vice-Chairman | Dr Heng Chin Tiong |
| Honorary Secretary | Dr Yeo Eu Kiang, Sharon |
| Members | Dr Kuo Li Chuen, Tricia |
| Dr Lee Lui Shiong | |
| Dr Tan Teck Wei | |
| Dr Toh Khai Lee | |
| Co-opted Members | Dr Chong Yew Lam |
| Dr David Consigliere | |
| Dr Ng Chee Kwan | |
| Dr Sim Hong Gee | |
| Dr Tan Yung Khan |
| Rank | Name |
| Chairman | Dr Chong Yew Lam |
| Vice-Chairman | Dr Edmund Chiong |
| Honorary Secretary | Dr Chua Wei Jin |
| Members | Dr Heng Chin Tiong |
| Dr Ng Chee Kwan | |
| Dr Colin Teo Chang Peng | |
| Dr Toh Khai Lee |
| Rank | Name |
| Chairman | Dr Chong Yew Lam |
| Vice-Chairman | Dr Edmund Chiong |
| Honorary Secretary | Dr Chua Wei Jin |
| Members | Dr Heng Chin Tiong |
| Dr Ng Lay Guat | |
| Dr Sim Hong Gee | |
| Dr Colin Teo Chang Peng | |
| Dr Toh Khai Lee |
| Rank | Name |
| Chairman | Dr Sim Hong Gee |
| Vice-Chairman | Dr Chong Yew Lam |
| Honorary Secretary | Dr Chua Wei Jin |
| Members | Dr Damian Png Jin Chye |
| Dr Ng Lay Guat | |
| Co-Opted Members | Dr David Terrence Consigliere |
| Dr Edmund Chiong | |
| Dr Heng Chin Tiong | |
| Dr Colin Teo Chang Peng | |
| Dr Toh Khai Lee |
| Rank | Name |
| Chairman | Dr Sim Hong Gee |
| Vice-Chairman | Dr Heng Chin Tiong |
| Honorary Secretary | Dr Colin Teo Chang Peng |
| Members | Dr Chia Sing Joo |
| Dr Chua Wei Jin | |
| Dr Ng Foo Cheong | |
| Dr Damian Png Jin Chye | |
| Co-Opted Members | Dr David Terrence Consigliere |
| Dr Toh Khai Lee |
| Rank | Name |
| Chairman | Dr Kesavan Esuvaranathan |
| Vice-Chairman | Dr Sim Hong Gee |
| Honorary Secretary | Dr Heng Chin Tiong |
| Members | Dr David Terrence Consigliere |
| Co-Opted Members | Dr Ng Foo Cheong |
| Dr Toh Khai Lee | |
| Dr Chia Sing Joo |
| Rank | Name |
| Chairman | Dr Kesavan Esuvaranathan |
| Vice-Chairman | Dr Chia Sing Joo |
| Honorary Secretary | Dr Heng Chin Tiong |
| Members | Dr David Terrence Consigliere |
| Dr Lewis Liew Choon How | |
| Dr Ng Foo Cheong | |
| Co-Opted Members | Dr Tan Yeh Hong |
| Rank | Name |
| Chairman | Dr David Terrence Consigliere |
| Vice-Chairman | Dr Chia Sing Joo |
| Honorary Secretary | Dr Tan Peng Kok |
| Members | Dr Christopher Cheng Wai Sam |
| Dr Foo Keong Tatt | |
| Dr Ng Foo Cheong | |
| Co-Opted Members | Dr Lewis Liew Choon How |
| Rank | Name |
| Chairman | Dr David Terrence Consigliere |
| Vice-Chairman | Dr Chia Sing Joo |
| Honorary Secretary | Dr Tan Peng Kok |
| Members | Dr Christopher Cheng Wai Sam |
| Dr Foo Keong Tatt | |
| Dr Ng Foo Cheong | |
| Dr Tan Eng Choon |