| Company | Timeline | Status | |
| Richmond Research Foundation Director • Medical Doctor | 8 Jul 2020←5 Years→Current | Active | |
| Prefect Limited Director • Medical Doctor | 26 Mar 2009←16 Years→Current | Active | |
| Richmond Pharmaceutical Services Limited Director • Medical Doctor | 13 Nov 2007←18 Years→Current | Active | |
| Danstock Limited Director • Medical Practitioner | 18 Jan 2007←2 Years 5 Months→9 Jul 2009 | Active | |
| Richmond Pharmacology Limited Director • Medical Doctor | 1 Jan 2002←23 Years→Current | Active | |
| Fish 4 Trials Limited Director • Medical Director | 24 Jun 1997←28 Years→Current | Active | |
