| Company | Timeline | Status | |
| West Hill Gardens Management Company Limited Secretary • Retired | 30 Jun 1999←3 Months→20 Oct 1999 | Active | |
| West Hill Gardens Management Company Limited Director • Retired | 18 Dec 1991←14 Years→9 Jan 2006 | Active | |
| West Hill Gardens Management Company Limited Secretary • Retired | 18 Dec 1991←11 Months→30 Nov 1992 | Active | |
