| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| BOCOM International Securities Limited | Rep | Dealing in securities | 2011-03-07 | 2012-08-01 |
| CITIC Securities Brokerage (HK) Limited | Rep | Dealing in securities | 2010-04-12 | 2011-02-25 |
| 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 | - | 2008-08-01 |