| Company | Timeline | Status | |
| UCL Cancer Institute Research Trust Director • Retired Medical Practitioner | 31 Mar 2010←5 Months→14 Sep 2010 | Dissolved | |
| National Opera Studio Director • Medical Practitioner | 9 Dec 1994←9 Years→18 Aug 2004 | Active | |
| English National Opera Director • General Medical Practitioner | 27 Nov 1992←7 Years→15 Nov 2000 | Active | |
| Sinfonietta Productions Limited Director • General Practitioner | 26 Oct 1992←3 Years→23 Sep 1996 | Active | |
| English Touring Opera Limited Director • Medical Practitioner | 10 Oct 1992←4 Years→18 Sep 1997 | Active | |
| Amscordi Limited Director • General Practitioner | 3 Apr 1992←3 Years→5 Jun 1995 | Active | |
| Royal Ballet School Director • Medical Practitioner | 6 Dec 1991←1 Year 11 Months→2 Nov 1993 | Active | |
