| Company | Timeline | Status | |
| Key House Project Director • Finance Manager | 1 Aug 2011←10 Years→9 Sep 2021 | Dissolved | |
| Kadant Johnson Systems International Limited Secretary • Unreported | 24 Nov 2003←6 Years→21 Apr 2010 | Active | |
| Johnson Corporation (Joco) Limited Secretary • Unreported | 24 Nov 2003←6 Years→21 Apr 2010 | Active | |
