| Company | Timeline | Status | |
| Project Design Engineers Holdings Limited Director • Engineer | 4 Jul 2013←7 Years→11 Sep 2020 | Active | |
| CSR (Ni) Limited Secretary • Unreported | 25 Jun 2008←17 Years→Current | Active | |
| Project Design Engineers Limited Director • Engineer | 20 Oct 1989←23 Years→4 Jul 2013 | Active | |
