| Company | Timeline | Status | |
| Penrice Management Company Limited Secretary • Lecturer | 8 Sep 2008←17 Years→Current | Active | |
| Penrice Management Company Limited Secretary • Lecturer | 8 Sep 2008←17 Years→16 Oct 2025 | Active | |
| Penrice Management Company Limited Director • Lecturer | 24 Nov 1999←25 Years→Current | Active | |
| Penrice Management Company Limited Director • Lecturer | 24 Nov 1999←25 Years→16 Oct 2025 | Active | |
