| Company | Timeline | Status | |
| Dorling Kindersley Limited Director • I.t. Director | 1 Oct 1999←1 Year→30 Sep 2000 | Active | |
| Jolly (No.1) Limited Secretary • Unreported | 5 Sep 1997←1 Month→6 Oct 1997 | Liquidation | |
| Jolly (No.1) Limited Director • Managing Director | 7 Aug 1992←5 Years→13 Oct 1997 | Liquidation | |
