| Company | Timeline | Status | |
| Courtlands Estate (Richmond) Limited Secretary • Unreported | 1 Jan 2005←2 Years 1 Month→9 Feb 2007 | Active | |
KGS Development Company Limited Secretary • School Bursar | 15 Apr 2004←7 Months→23 Nov 2004 | Dissolved | |
| Kingston Grammar School Secretary • Unreported | 22 Nov 1999←4 Years→12 Nov 2004 | Active | |
