| Company | Timeline | Status | |
| Butlers Management Association Limited Director • Retired | 8 Jul 1998←8 Months→10 Mar 1999 | Active | |
| Alwynn Management Company Limited Secretary • Retired | 6 Jun 1994←3 Months→6 Sep 1994 | Active | |
| Alwynn Management Company Limited Director • Retired | 4 Jan 1993←1 Year 8 Months→6 Sep 1994 | Active | |
