| Company | Timeline | Status | |
| OLD House Estate Residents Association (Tewin) Limited (The) Director • Retired | 20 May 2008←2 Years 7 Months→31 Dec 2010 | Active | |
| OLD House Estate Residents Association (Tewin) Limited (The) Secretary • Retired | 1 May 2002←5 Years→5 Jun 2007 | Active | |
