| Company | Timeline | Status | |
| Northwest Biotherapeutics Limited Director • Chairman | 19 Nov 2015←10 Years→Current | Active | |
| Northwest Biotherapeutics Capital Limited Director • Director | 28 Nov 2014←11 Years→Current | Active | |
| Advent Bioservices Ltd Director • Chairman | 3 Oct 2013←12 Years→Current | Active | |
