| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Merrill Lynch (Asia Pacific) Limited | RO | Advising on futures contracts | 2020-05-29 | 2023-03-31 |
| RO | Dealing in securities | 2016-11-18 | 2018-10-02 | |
| RO | Advising on securities | 2016-11-18 | 2023-03-31 | |
| Rep | Advising on securities | 2010-04-08 | 2016-11-18 | |
| Rep | Dealing in securities | 2009-04-02 | 2016-11-18 | |
| Credit Suisse (Hong Kong) Limited | Rep | Advising on securities | 2004-05-22 | 2008-12-10 |
| LEHMAN BROTHERS ASIA LIMITED | Rep | Advising on corporate finance | - | 2003-08-11 |
| Rep | Asset management | - | 2003-08-11 | |
| Rep | Advising on securities | - | 2004-05-21 |