| Company | Timeline | Status | |
| Gelmetix Limited Director • Business Director | 14 Nov 2012←5 Years→22 Mar 2018 | Active | |
| Bioxydyn Limited Director • Unreported | 26 Apr 2010←1 Year 9 Months→8 Feb 2012 | Active | |
| Mirada Medical Limited Director • Director | 28 Nov 2008←1 Year 1 Month→1 Jan 2010 | Active | |
| Plasma Surgical Limited Director • Director | 3 Feb 1999←4 Years→16 May 2003 | Active | |
| Spembly Cryosurgery Limited Director • Director | 25 Sep 1995←2 Years 9 Months→8 Jul 1998 | Active | |
| Spembly Medical Limited Director • Director | 18 Sep 1992←5 Years→8 Jul 1998 | Active | |
| Integra Neurosciences Limited Director • Director | 18 Sep 1992←5 Years→8 Jul 1998 | Active | |
| Elekta Holdings Limited Director • Company Director | 14 May 1992←6 Years→18 Aug 1998 | Active | |
