| Company | Timeline | Status | |
| The Medical College Of Saint Bartholomew's Hospital Trust Director • Professor | 26 Jun 2024←1 Year 5 Months→Current | Active | |
| Elfy APPS Limited Director • Professor | 2 Mar 2015←9 Years→12 Nov 2024 | Dissolved | |
Elfy LLP Non-designated LLP Member • Unreported | 16 Jul 2013←2 Years 1 Month→25 Aug 2015 | Dissolved | |
| Bioscientifica Limited Director • Doctor | 13 Mar 2009←1 Year→17 Mar 2010 | Active | |
| Bioscientifica Limited Director • Doctor | 9 Sep 2003←5 Years→18 Mar 2009 | Active | |
| Society For Endocrinology Director • Physician | 4 Nov 2002←6 Years→18 Mar 2009 | Active | |
| Purcell School(The) Director • Doctor Of Medicine | 1 Mar 2000←12 Years→31 Dec 2012 | Active | |
| Bioscientifica Limited Director • Professor Of Endocrinology | 15 Sep 1998←3 Years→9 Jul 2002 | Active | |
| Rahere Association (The) Director • Doctor Of Medicine | 24 Apr 1997←8 Years→19 May 2005 | Active | |
| The Pituitary Foundation Director • Professor Of Endocrinology | 23 Sep 1996←9 Years→21 Jan 2006 | Active | |
