| Company | Timeline | Status | |
| Photophysics Limited Director • Director | 12 Nov 2001←23 Years→23 Sep 2025 | Dissolved | |
| Applied Photophysics Employees' Trust Limited Director • Director | 19 Jun 2000←25 Years→23 Sep 2025 | Dissolved | |
| APL Holdings Limited Director • Company Director | 8 Jul 1996←29 Years→Current | Active | |
| Applied Photophysics Limited Director • Company Director | 8 Jul 1996←29 Years→Current | Active | |
| APL Holdings Limited Director • Company Director | 8 Jul 1996←28 Years→27 May 2025 | Active | |
| Applied Photophysics Limited Director • Company Director | 8 Jul 1996←28 Years→27 May 2025 | Active | |
