| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Keptain Securities and Asset Management Limited | Rep | Asset management | 2016-03-09 | 2017-07-01 |
| Rep | Dealing in securities | 2016-03-09 | 2017-07-01 | |
| Astrum Capital Management Limited (HK) | Rep | Asset management | 2008-11-12 | 2012-10-31 |
| Rep | Dealing in futures contracts | 2008-11-12 | 2012-10-31 | |
| Rep | Dealing in securities | 2008-11-12 | 2012-10-31 | |
| Manulife Investment Management (Hong Kong) Limited | Rep | Dealing in securities | 2006-12-01 | 2007-10-16 |