| Company | Timeline | Status | |
| Optichrome Computer Systems Limited Director • Director | 21 Dec 1990←2 Years 12 Months→19 Dec 1993 | Active | |
| Optichrome Limited Director • Director | 21 Dec 1990←4 Years→29 Nov 1995 | Active | |
| Optichrome Computer Systems Limited Director • Unreported | 1 Jan 1970←23 Years→19 Dec 1993 | Active | |
