| Company | Timeline | Status | |
| The Normandy Memorial Trust Limited Director • Professor Of Surgery | 12 Jul 2022←3 Years→1 Sep 2025 | Active | |
| Farmington Trust Limited(The) Director • Professor Of Surgery | 23 Jun 2021←4 Years→Current | Active | |
| Foundation For Science And Technology Director • Professor Of Surgery & Member Of House O | 24 Mar 2021←1 Year 9 Months→30 Dec 2022 | Converted/Closed | |
| UK Biobank Limited Director • Surgeon | 1 Jan 2020←5 Years→Current | Active | |
| Cyte Limited Director • Professor | 1 Aug 2019←6 Years→Current | Active | |
| Howard De Walden Estates Holdings Limited Director • Unreported | 6 Dec 2017←8 Years→Current | Active | |
| Howard De Walden Estates Limited Director • Professor | 6 Dec 2017←8 Years→Current | Active | |
| The Ramsbury Manor Foundation Director • Surgeon | 19 Jul 2017←8 Years→Current | Active | |
| Alleyn's School Director • Surgeon | 22 Jan 2015←6 Months→31 Jul 2015 | Active | |
| UCL Partners Limited Director • Professor And Member Of House Of Lords | 1 Mar 2014←7 Years→30 Apr 2021 | Active | |
