| Company | Timeline | Status | |
| Elisha Systems Limited Director • Scientist | 1 Sep 2009←4 Months→31 Dec 2009 | Dissolved | |
| Tyc You Limited Director • Manager | 31 Jul 2007←11 Months→4 Jul 2008 | Dissolved | |
| Bionow Limited Director • Technologist | 17 Mar 2003←2 Years 5 Months→31 Aug 2005 | Active | |
| International Centre For Life Trust Director • Technologist | 27 Jan 2003←2 Years 9 Months→14 Nov 2005 | Active | |
| Muscagen Limited Director • Company Director | 3 Apr 2001←1 Year 8 Months→17 Dec 2002 | Active | |
| Immunobiology Limited Director • Investment Manager | 6 Dec 2000←2 Years→17 Dec 2002 | Active | |
| Thinksmith Limited Director • Venture Capitalist | 27 Oct 1999←10 Years→31 Mar 2010 | Active | |
| Thinksmith Limited Secretary • Venture Capitalist | 27 Oct 1999←11 Years→1 Jan 2011 | Active | |
| Umist Ventures Limited Director • Manager | 1 Oct 1996←5 Months→7 Mar 1997 | Dissolved | |
