| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Ayers Alliance Securities (HK) Limited | Rep | Dealing in securities | 2014-01-10 | 2018-03-31 |
| CES Commodities (HK) Limited | Rep | Dealing in futures contracts | 2009-09-01 | 2011-02-01 |
| Everbright Securities Investment Services (HK) Limited | Rep | Dealing in securities | 2009-09-01 | 2011-02-01 |
| Nerico Brothers Limited (HK) | Rep | Dealing in securities | 2008-07-23 | 2009-08-11 |
| Rep | Advising on futures contracts | - | 2004-08-02 | |
| Rep | Asset management | - | 2005-01-18 | |
| Rep | Dealing in futures contracts | - | 2009-08-11 |