| Company | Timeline | Status | |
| Hemsley House Limited Director • Retired | 23 Mar 2005←4 Years→5 Oct 2009 | Active | |
| Institution Of Electronics(The) Director • Unreported | 17 Jan 2001←23 Years→4 Apr 2024 | Active | |
| Institution Of Electronics(The) Director • Electrical Engineer | 12 Jan 1992←1 Year 6 Months→24 Jul 1993 | Active | |
| Institution Of Electronics(The) Director • Unreported | 1 Jan 1970←23 Years→24 Jul 1993 | Active | |
