| Company | Timeline | Status | |
| Spembly Cryosurgery Limited Director • President | 8 Jul 1998←1 Year 9 Months→5 Apr 2000 | Active | |
| Spembly Medical Limited Director • President | 8 Jul 1998←1 Year 9 Months→5 Apr 2000 | Active | |
| Integra Neurosciences Limited Director • President | 8 Jul 1998←1 Year 9 Months→5 Apr 2000 | Active | |
