| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| KAISER CAPITAL MANAGEMENT LIMITED | Rep | Advising on securities | 2017-09-08 | 2018-01-02 |
| Rep | Asset management | 2017-09-08 | 2018-01-02 | |
| KAISER SECURITIES LIMITED | Rep | Dealing in securities | 2017-09-08 | 2018-01-02 |
| PC SECURITIES LIMITED | Rep | Dealing in securities | 2015-12-03 | 2016-01-21 |
| HARRIS FRASER (INTERNATIONAL) LIMITED | Rep | Dealing in securities | 2012-03-23 | 2014-07-02 |
| FORTUNE (HK) SECURITIES LIMITED | Rep | Dealing in securities | 2008-10-31 | 2012-03-05 |
| CES Commodities (HK) Limited | Rep | Dealing in futures contracts | 2005-11-18 | 2008-01-01 |
| Everbright Securities Investment Services (HK) Limited | Rep | Dealing in securities | 2005-11-18 | 2008-01-01 |
| T G HOLBORN (HK) LIMITED | Rep | Advising on securities | 2004-06-18 | 2005-01-21 |
| HARRIS FRASER (INTERNATIONAL) LIMITED | Rep | Advising on corporate finance | - | 2004-05-24 |
| Rep | Advising on securities | - | 2004-05-24 | |
| Rep | Asset management | - | 2004-05-24 |