| Company | Timeline | Status | |
| The Modern Humanities Research Association Director • University Professor | 2 Oct 1997←3 Years→16 Mar 2001 | Active | |
| Wisbey Ventures Limited Director • University Professor | 5 Feb 1992←28 Years→21 Oct 2020 | Active | |
| Vermeg Systems Limited Director • University Professor | 23 May 1991←11 Years→7 Feb 2003 | Active | |
