| Company | Timeline | Status | |
| Break For Growth Limited Director • Retired | 1 Dec 2001←6 Years→18 Apr 2008 | Active | |
| Institution Of Railway Signal Engineering Director • Railway Signal Engineereer | 24 Apr 1992←7 Years→14 Apr 2000 | Active | |
| Institution Of Railway Signal Engineering Director • Unreported | 1 Jan 1970←30 Years→14 Apr 2000 | Active | |
