| Company | Timeline | Status | |
| John Cleland Limited Director • Unreported | 25 Mar 2014←11 Years→Current | Active | |
| The Hull & East Yorkshire Medical Research Centre Director • Medical Practitioner | 16 Jun 2000←19 Years→28 Nov 2019 | Active | |
| British Society For Heart Failure Director • Cardiologist | 10 May 1999←10 Years→31 May 2009 | Active | |
