| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Voltex Asia Capital Limited | RO | Asset management | 2012-07-24 | 2013-08-31 |
| NOMURA INTERNATIONAL (HONG KONG) LIMITED | Rep | Dealing in futures contracts | 2008-10-10 | 2010-04-22 |
| Rep | Dealing in securities | 2008-10-10 | 2010-04-22 | |
| LEHMAN BROTHERS SECURITIES ASIA LIMITED | Rep | Dealing in securities | 2008-08-08 | 2008-09-29 |
| LEHMAN BROTHERS ASIA LIMITED | Rep | Dealing in futures contracts | 2007-04-26 | 2008-09-29 |
| Rep | Dealing in securities | 2007-04-26 | 2008-09-29 |