| Company | Timeline | Status | |
| Merlin Energy Resources Limited Director • Geophysicist | 17 Apr 1998←5 Years→14 Nov 2003 | Active | |
| Merlin Energy Resources Limited Secretary • Geophysicist | 17 Apr 1998←3 Years→12 Sep 2001 | Active | |
| Tetra Tech RPS Energy Limited Director • Geophysicist | 8 Jul 1992←8 Years→3 Apr 2001 | Active | |
