| Company | Timeline | Status | |
| Chevron Britain Limited Director • Executive | 1 May 2000←1 Year 9 Months→15 Feb 2002 | Active | |
| Chevron Captain Company LLC Director • Executive | 1 May 2000←1 Year 9 Months→15 Feb 2002 | Active | |
| Texaco North Sea U.K. Limited Director • Executive | 1 May 2000←1 Year 9 Months→15 Feb 2002 | Active | |
| Valero Energy UK Ltd Director • Executive | 6 Mar 2000←2 Years 1 Month→11 Apr 2002 | Dissolved | |
