| Company | Timeline | Status | |
| CT Lining Limited Director • Managing Director | 9 Aug 2021←4 Years→Current | Active | |
| Naue Geosynthetics Limited Secretary • Technical Consultant | 20 Nov 2002←22 Years→Current | Active | |
| Naue Geosynthetics Limited Director • Technical Consultant | 20 Nov 2002←22 Years→Current | Active | |
