| Company | Timeline | Status | |
| 13 Devonshire Buildings Limited Director • Retired | 15 Sep 2016←7 Years→31 Jan 2024 | Active | |
| British Scoliosis Research Foundation Director • Retired | 1 Jan 2007←15 Years→31 Dec 2021 | Dissolved | |
| Optinose UK Limited Director • Retired | 8 Jun 2005←2 Years→4 Jul 2007 | Dissolved | |
| The Lansdown Tennis, Squash And Croquet Club Limited Director • Retired | 17 May 2005←5 Years→10 May 2011 | Active | |
| Vectura Delivery Devices Limited Director • Managing Director | 5 Feb 2002←2 Years 1 Month→30 Mar 2004 | Active | |
| Vectura Group Limited Director • Chief Executive Officer | 3 Jul 2000←3 Years→9 Mar 2004 | Active | |
| Sterix Limited Director • Pharmaceutical Consultant | 31 Mar 1999←2 Years 1 Month→15 May 2001 | Active | |
| 13 Devonshire Buildings Limited Director • Consultant | 22 Sep 1998←25 Years→31 Jan 2024 | Active | |
Catalent U.K. Swindon Encaps Limited Director • Director | 6 Jan 1998←25 Days→31 Jan 1998 | Dissolved | |
| St. James' Court Management Company Limited Director • Company Director | 19 Jan 1997←2 Years 3 Months→4 May 1999 | Active | |
