| Company | Timeline | Status | |
| D.S. Metals Limited Director • None | 9 Aug 2016←9 Years→Current | Active | |
| D.K.L. Metals Limited Director • Director | 30 Jun 2016←7 Years→23 Oct 2023 | Active | |
| Itri Innovation Limited Director • Company Director | 4 Jan 2005←21 Years→Current | Active | |
| International Tin Association Ltd Director • Company Director | 9 Jan 1995←31 Years→Current | Active | |
| Wildshaw Limited Director • Consultant | 13 May 1991←34 Years→Current | Active | |
