| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| SAMSUNG SECURITIES (ASIA) LIMITED | Rep | Dealing in securities | 2010-08-09 | 2011-01-28 |
| MILLENNIUM CAPITAL MANAGEMENT (HONG KONG) LIMITED | Rep | Asset management | 2008-09-05 | 2009-09-11 |
| Credit Suisse (Hong Kong) Limited | Rep | Dealing in securities | 2007-07-13 | 2008-05-16 |
| Credit Suisse Futures (Hong Kong) Limited | Rep | Providing automated trading services | 2007-07-13 | 2008-05-16 |
| Rep | Dealing in futures contracts | 2007-07-13 | 2008-05-16 | |
| Credit Suisse (Hong Kong) Limited | Rep | Advising on securities | 2005-08-18 | 2007-06-26 |
| HSBC SECURITIES (ASIA) LIMITED | Rep | Advising on corporate finance | - | 2003-12-10 |
| Rep | Asset management | - | 2003-12-10 | |
| Rep | Advising on securities | - | 2005-08-10 |