| Company | Timeline | Status | |
| R P Sayers Limited Director • Tax Advisor | 26 Aug 2016←4 Years→4 May 2021 | Dissolved | |
| Rio Tinto Diamonds Limited Director • General Manager - Tax | 22 Apr 2009←2 Months→30 Jun 2009 | Dissolved | |
| Rio Tinto Diamonds Limited Director • General Manager - Tax | 11 Aug 2008←8 Months→22 Apr 2009 | Dissolved | |
| Ernst & Young LLP Non-designated LLP Member • Unreported | 8 Apr 2002←1 Year 5 Months→30 Sep 2003 | Active | |
