| Company | Timeline | Status | |
| Chevron Eurasia-Pacific Exploration And Production Company Limited Director • Oil Company Executive | 18 Aug 1995←4 Years→31 Dec 1999 | Dissolved | |
Chevron U.K. Investment Plc Director • Oil Company Executive | 1 Nov 1992←2 Years 9 Months→22 Aug 1995 | Dissolved | |
| Ithaca Oil And Gas Limited Director • Oil Company Executive | 1 Nov 1992←7 Years→31 Dec 1999 | Active | |
