| Company | Timeline | Status | |
| The Grove Amenity Company Limited Director • Teacher | 6 Aug 1996←11 Months→15 Jul 1997 | Active | |
| The Grove Amenity Company Limited Secretary • Teacher | 6 Aug 1996←11 Months→15 Jul 1997 | Active | |
| Herontye Management Company Limited Secretary • Unreported | 30 Aug 1991←4 Days→3 Sep 1991 | Active | |
| Herontye Management Company Limited Director • Senior Lecturer | 30 Aug 1991←4 Days→3 Sep 1991 | Active | |
