| Rank | Name |
| Chairman | Dr Chua Tju Siang |
| Vice-Chairman | Dr Kieron Lim |
| Honorary Secretary | Dr David Ong Eng Hui |
| Member | Dr Calvin Koh |
| Dr Ng Wee Khoon | |
| Dr James Li Weiquan | |
| Dr Chong Cher Hao | |
| Co-opted Member | Dr Kristie Fan |
| Rank | Name |
| Chairman | Dr Ang Tiing Leong |
| Vice-Chairman | Dr Gwee Kok Ann |
| Honorary Secretary | Dr Chua Tju Siang |
| Members | Dr Charles Vu Kien Fong |
| Dr David Ong Eng Hui | |
| Dr Jason Chang Pik Eu | |
| Dr James Li Weiquan | |
| Co-opted Members | Dr Benjamin Yip Cherng Hann |
| Dr Chong Chern Hao | |
| Dr Ho Gim Hin |
| Rank | Name |
| Chairman | Dr Ang Tiing Leong |
| Vice-Chairman | Dr Ling Khoon Lin |
| Honorary Secretary | Dr Gwee Kok Ann |
| Members | Dr Christopher Khor |
| Dr Chong Chern Hao | |
| Dr Dan Yock Young | |
| Dr Chua Tju Siang |
| Rank | Name |
| Chairman | Dr Khor Jen Lock, Christopher |
| Vice-Chairman | Dr Lim Wee Chian |
| Honorary Secretary | Dr Steven Joseph Mesenas |
| Members | Dr Ooi Choon Jin |
| Dr Dan Yock Young |
| Rank | Name |
| Chairman | Dr Ooi Choon Jin |
| Vice-Chairman | Dr Ang Tiing Leong |
| Honorary Secretary | Dr Lui Hock Foong |
| Members | Dr Mesenas Steven Joseph |
| Dr Charles Vu Kien Fong | |
| Dr Dan Yock Young |
| Rank | Name |
| Chairman | Dr Ooi Choon Jin |
| Vice-Chairman | Dr Christopher Khor Jen Lock |
| Honorary Secretary | Dr Lui Hock Foong |
| Members | Dr Ang Tiing Leong |
| Dr Charles Vu Kien Fong | |
| Dr Tan Hui Hui | |
| Dr Mesenas Steven Joseph |
| Rank | Name |
| Chairman | Dr Roland Chong Siong Eng |
| Vice-Chairman | Dr Teo Eng Kiong |
| Honorary Secretary | Dr Lui Hock Foong |
| Members | Dr Christopher Khor Jen Lock |
| Dr Mesenas Steven Joseph | |
| Dr Charles Vu Kien Fong | |
| Dr Ang Tiing Leong |
| Rank | Name |
| Chairman | Dr Roland Chong Siong Eng |
| Vice-Chairman | Dr Ooi Choon Jin |
| Honorary Secretary | Dr Lui Hock Foong |
| Members | Dr Christopher Khor Jen Lock |
|
|
Dr Teo Eng Kiong |
| Dr Ng Han Seong | |
| Dr Fock Kwong Ming | |
| Dr Mesenas Steven Joseph |
| Rank | Name |
| Chairman | Dr Richard Guan |
| Vice-Chairman | Dr Lim Chee Chian |
| Honorary Secretary | Dr Widjaja Luman |
| Members | Dr Fock Kwong Ming |
|
Dr Ho Khek Yu |
|
| Dr Tan Chi Chiu | |
|
Dr Teo Eng Kiong |
|
|
|