| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Quam Securities Limited | Rep | Asset management | 2025-12-22 | - |
| Rep | Dealing in futures contracts | 2016-08-29 | - | |
| Rep | Dealing in securities | 2010-11-05 | - | |
| CHEONG LEE SECURITIES LIMITED | Rep | Dealing in securities | 2008-10-03 | 2010-10-16 |