| Company | Timeline | Status | |
| OLD House Estate Residents Association (Tewin) Limited (The) Secretary • Retired | 5 Jun 2007←11 Months→20 May 2008 | Active | |
| OLD House Estate Residents Association (Tewin) Limited (The) Director • Retired | 5 Jun 2007←16 Years→5 Dec 2023 | Active | |
