| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Optimas Capital Limited | Rep | Asset management | 2017-06-21 | - |
| Credit Suisse (Hong Kong) Limited | Rep | Advising on securities | 2016-05-31 | 2017-05-06 |
| Merrill Lynch (Asia Pacific) Limited | Rep | Advising on securities | 2010-04-08 | 2016-02-23 |
| Rep | Dealing in securities | 2008-06-02 | 2016-02-23 | |
| BEAR STEARNS ASIA LIMITED | Rep | Advising on securities | 2008-01-10 | 2008-05-30 |
| SOUTH CHINA RESEARCH LIMITED | Rep | Advising on securities | 2006-11-28 | 2008-01-02 |