| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Manulife Investment Management (Hong Kong) Limited | Rep | Dealing in securities | 2022-10-31 | - |
| KARL-THOMSON COMMODITIES COMPANY LIMITED | Rep | Dealing in futures contracts | 2011-11-07 | 2019-12-23 |
| KARL-THOMSON SECURITIES COMPANY LIMITED | Rep | Asset management | 2011-11-07 | 2019-12-23 |
| Rep | Dealing in securities | 2011-08-15 | 2019-12-23 | |
| AIA WEALTH MANAGEMENT COMPANY LIMITED | Rep | Dealing in securities | 2007-07-12 | 2011-04-15 |
| Rep | Advising on securities | 2006-07-24 | 2010-08-11 |