| Company | Timeline | Status | |
| The Museum Of East Asian Art Director • Retired | 17 Jul 2003←9 Years→10 Sep 2012 | Active | |
| Lepra Director • Retired | 4 Jul 1994←6 Years→4 Jul 2000 | Active | |
| Octquest Limited Director • Retired | 10 Jun 1994←31 Years→Current | Active | |
| Octquest Limited Director • Retired | 10 Jun 1994←31 Years→27 Jul 2025 | Active | |
