| Company | Timeline | Status | |
| The 28 Springfield Road Residents' Company Limited Secretary • Teacher | 5 Jun 2004←1 Month→7 Jul 2004 | Active | |
| The 28 Springfield Road Residents' Company Limited Secretary • Director | 1 Apr 1999←4 Months→9 Aug 1999 | Active | |
| The 28 Springfield Road Residents' Company Limited Director • Director | 1 Apr 1999←5 Years→9 Sep 2004 | Active | |
