| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| STAR RIVER SECURITIES LIMITED | RO | Asset management | 2018-12-12 | - |
| RO | Advising on securities | 2018-11-19 | - | |
| Rep | Advising on securities | 2018-10-02 | 2018-11-19 | |
| ATLANTIS INVESTMENT MANAGEMENT LIMITED | Rep | Advising on securities | 2015-06-09 | 2018-07-01 |
| Rep | Asset management | 2015-06-09 | 2018-07-01 | |
| Rep | Advising on securities | 2012-01-31 | 2014-02-01 | |
| Rep | Asset management | 2012-01-31 | 2014-02-01 | |
| MF Global Hong Kong Limited | Rep | Advising on securities | 2011-01-04 | 2011-11-11 |
| DBS VICKERS (HONG KONG) LIMITED | Rep | Advising on securities | 2005-01-10 | 2009-11-29 |
| CLSA RESEARCH LIMITED | Rep | Advising on securities | 2004-09-16 | 2005-01-06 |
| DBS VICKERS (HONG KONG) LIMITED | Rep | Advising on securities | 2003-12-16 | 2004-08-26 |