| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| KARL-THOMSON SECURITIES COMPANY LIMITED | Rep | Dealing in securities | 2010-04-15 | 2011-08-12 |
| TAI SHING STOCK INVESTMENT CO. LIMITED | Rep | Advising on securities | 2009-04-23 | 2010-03-04 |
| OnePlatform Asset Management Limited | Rep | Advising on securities | 2006-11-15 | 2009-03-19 |