| Company | Timeline | Status | |
Clearair Technology Limited Director • Director | 6 Oct 2000←9 Years→14 Nov 2009 | Dissolved | |
Britannia Foundation Director • Retired | 20 May 1998←1 Year 5 Months→18 Oct 1999 | Dissolved | |
| Stone Lawn Tennis Club Limited Director • Director | 14 Jan 1992←18 Years→14 Nov 2010 | Active | |
