| Company | Timeline | Status | |
| Ni Gpi Limited Director • Venture Capitalist | 25 Jun 2013←12 Years→Current | Active | |
| CDT Licensing Limited Director • Director | 30 Jun 2000←5 Months→15 Dec 2000 | Active | |
| Cambridge Display Technology Limited Director • Director | 6 Jan 2000←11 Months→15 Dec 2000 | Active | |
| Nortel Networks (Northern Ireland) Limited Director • Company Executive | 24 Jan 1962←38 Years→21 Jul 2000 | Dissolved | |
