| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Epigen Group (Hong Kong) Limited | RO | Advising on securities | 2021-11-16 | - |
| RO | Asset management | 2021-11-16 | - | |
| Altitude Principle Advisory Limited | RO | Asset management | 2014-12-01 | 2020-05-25 |
| Rep | Asset management | 2014-10-06 | 2014-12-01 | |
| Golden Full Asset Management Limited | RO | Advising on securities | 2014-04-03 | 2014-08-11 |
| RO | Asset management | 2014-04-03 | 2014-08-11 | |
| Altitude Principle Advisory Limited | RO | Asset management | 2011-03-16 | 2012-10-23 |
| DRESDNER KLEINWORT SECURITIES (ASIA) LIMITED | Rep | Advising on securities | 2008-08-27 | 2009-06-30 |
| Rep | Dealing in securities | 2008-08-27 | 2009-06-30 |