| Company | Timeline | Status | |
Promethean Technology Limited Director • Sales Director | 17 Nov 2015←4 Years→17 Mar 2020 | Dissolved | |
| Promethean World Limited Director • Sales Director | 17 Nov 2015←5 Years→2 Feb 2021 | Active | |
| Chalkfree Limited Director • Sales Director | 17 Nov 2015←5 Years→2 Feb 2021 | Active | |
| Promethean (Holdings) Limited Director • Sales Director | 17 Nov 2015←5 Years→2 Feb 2021 | Active | |
| Promethean Limited Director • Sales Director | 17 Nov 2015←5 Years→2 Feb 2021 | Active | |
