| Company | Timeline | Status | |
| Sonic Healthcare Holding Company Director • Tax Consultant | 18 Jun 2004←6 Months→15 Dec 2004 | Active | |
Thermonovel (Mevagissey) Ltd Director • Tax Consultant | 1 Sep 2002←8 Years→20 Mar 2011 | Dissolved | |
| Ernst & Young LLP Non-designated LLP Member • Unreported | 28 Jun 2001←1 Year 1 Month→30 Jul 2002 | Active | |
