| Company | Timeline | Status | |
| Sunshine Clinical Ltd Director • Physician | 5 Jun 2000←25 Years→Current | Active | |
| Ligand UK Group Limited Director • Clinical Research | 9 Jan 1997←3 Years→6 Apr 2000 | Dissolved | |
| Ligand UK Development Limited Director • Clinical Research | 9 Jan 1997←3 Years→6 Apr 2000 | Active | |
| 18 Highbury Grange Limited Director • Physician | 10 Sep 1992←1 Year 10 Months→18 Jul 1994 | Active | |
