About OBA
| Title | Name | Year of Graduation |
|---|---|---|
| Honorary President | Wong Shiu Wing | 1951 |
| Chu Chun Ming | 1951 | |
| Liu Kam Fan | 1961 | |
| Lau Sin Pang Frank | 1965 | |
| Ex-officio Vice-President | Lee Chee Wah Roger (Principal) | 1976 |
| Lam Woon Sum Maria (Primary School Headmaster) | -- | |
| President | Tsang Chiu Kwan | 1965 |
| Vice-Presidents | Wong Man Kam Patrick | 1969 |
| Chairman | Lau Tin Shing Adi | 1977 |
| Vice Chairman | Lo Kwing Yu | 1980 |
| Honorary Secretary | Au Wai Bun Benjamin | 1981 |
| Honorary Treasurer | Ng Chi Kwong Gareth | 1983 |
| Students Affairs | Lui Ping Keung | 1967 |
| Recreation | Ip Che Ho | 1978 |
| Sports Convener | Ma Chi Nam Leo | 1976 |
| IT | Chan Kei Yin | 2002 |
| Membership Affairs | Ng King Him | 1978 |
| Committees | Chan Kwok Keung Peter | 1966 |
| Yim Hin Yee Herbert | 1966 | |
| Kwan Kai Cheong | 1967 | |
| Li Wing Kuen Philip | 1967 | |
| Ho Lap Yiu | 1971 | |
| Au Yeung Tung Wah | 1973 | |
| Lee Luk Shiu Vincent | 1975 | |
| Chan Ting Kwong Vincent | 1977 | |
| Cheng Wai Chak Geoffrey | 1980 | |
| Shum Ping Sang Edward | 1980 | |
| Chan Kai San Steve | 1982 | |
| Kwok Man Leung | 1986 | |
| Co-Op Committees | Mo Kam Kuen Thomas | 1966 |
| Law Siu Chau Charles | 1981 | |
| Chan Mui Tong | 1983 | |
| Chan Hung Tat Edward | 1985 | |
| Fong Pui Cheung PC | 1986 | |
| Cheung Ka Fai | 1990 | |
| Chan Ho Kit | 2001 |