| Company | Timeline | Status | |
| Margaret Johnson Consulting Limited Director • Medical Consultant | 24 Apr 2012←13 Years→Current | Active | |
| The Hospital Of St John And St Elizabeth Director • Physician | 2 Jun 2008←15 Years→26 Oct 2023 | Active | |
| Positively UK Director • Consultant Physician | 19 Sep 1991←5 Years→9 Oct 1996 | Active | |
