| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Grand Profit Financial Company Limited | RO | Advising on securities | 2017-01-06 | - |
| RO | Asset management | 2017-01-06 | - | |
| CTBC Asia Limited | RO | Advising on securities | 2004-10-04 | 2016-02-24 |
| RO | Asset management | 2004-06-07 | 2016-02-24 | |
| RO | Dealing in securities | 2004-06-07 | 2016-02-24 | |
| Rep | Asset management | 2004-05-25 | 2004-06-07 | |
| Rep | Dealing in securities | 2004-05-25 | 2004-06-07 | |
| YICKO FUTURES LIMITED | RO | Dealing in futures contracts | 2003-04-01 | 2004-05-20 |
| YICKO INVESTMENT CONSULTANTS & MANAGEMENT LIMITED | RO | Advising on securities | 2003-04-01 | 2004-05-20 |
| RO | Asset management | 2003-04-01 | 2004-05-20 | |
| YICKO SECURITIES LIMITED | RO | Dealing in securities | 2003-04-01 | 2004-05-20 |