| Company | Timeline | Status | |
Greenbond Limited Director • Engineer | 25 Feb 2004←10 Years→1 Jul 2014 | Dissolved | |
| Coherent Technologies Limited Director • Unreported | 19 Mar 1992←33 Years→Current | Active | |
| Coherent Research Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
