| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Yaw Kai Financial Group Limited | RO | Asset management | 2020-09-24 | - |
| RO | Advising on securities | 2019-03-06 | - | |
| RO | Dealing in securities | 2019-03-06 | - | |
| Public Securities Limited | RO | Dealing in securities | 2016-01-08 | 2018-10-31 |
| Rep | Dealing in securities | 2010-04-26 | 2016-01-08 | |
| OKACHI (HONG KONG) COMPANY LIMITED | Rep | Dealing in futures contracts | 2009-01-19 | 2010-01-31 |
| OKACHI INVESTMENTS (HK) COMPANY LIMITED | Rep | Dealing in securities | 2009-01-19 | 2010-01-31 |