| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| BOCOM International Securities Limited | Rep | Dealing in securities | 2007-09-20 | 2010-03-18 |
| BOCOM International Holdings Company Limited | Rep | Dealing in securities | 2006-03-02 | 2008-03-03 |
| Tung Shing Securities (Brokers) Limited | Rep | Advising on corporate finance | - | 2004-01-09 |
| Rep | Advising on securities | - | 2004-01-09 | |
| Rep | Asset management | - | 2004-01-09 | |
| Rep | Dealing in securities | - | 2006-03-02 |