| Company | Timeline | Status | |
| Latin American Mining Monitoring Programme Director • Researcher | 23 Mar 1998←2 Months→20 Jun 1998 | Dissolved | |
| Zeldweb Limited Director • Director | 8 Dec 1991←34 Years→Current | Active | |
| Zeldweb Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
