| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Marshall Wace Gavekal Asia Limited | Rep | Asset management | 2010-07-07 | 2011-10-03 |
| T.F.S. Derivatives HK Limited | Rep | Dealing in futures contracts | 2009-05-12 | 2009-05-29 |
| Morgan Stanley Asia Limited | Rep | Providing automated trading services | 2007-04-04 | 2008-11-17 |
| Rep | Dealing in securities | 2007-04-04 | 2008-11-17 |