| Company | Timeline | Status | |
| Westhall Management Company Limited Secretary • Retired | 20 Jan 1997←1 Year 11 Months→31 Dec 1998 | Active | |
| Westhall Management Company Limited Director • Retired | 20 Mar 1993←6 Years→3 Dec 1999 | Active | |
| Westhall Management Company Limited Secretary • Retired | 7 Jan 1991←2 Years 2 Months→20 Mar 1993 | Active | |
