| Company | Timeline | Status | |
| Shell International Petroleum Company Limited Director • Oil Company Executive | 1 Sep 1992←3 Years→1 Apr 1996 | Active | |
| Hispanic And Luso Brazilian Council(The) Director • Oil Company Executive | 1 Aug 1992←4 Years→1 Mar 1997 | Active | |
| Consolidated Petroleum Company Limited(The) Director • Oil Company Executive | 1 Jan 1970←26 Years→28 Jun 1996 | Liquidation | |
