| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | COALBED SYSTEMS LTD | — | Dissolved | 31/05/2026 – 18/08/2012 |
| Officer | COALBED SYSTEMS LTD | — | Dissolved | 31/05/2026 – 18/08/2012 |
| Officer | INTELLIGENT DRILLING TOOLS LIMITED | — | Active | 02/06/2026 – 18/08/2012 |
18/08/2012
resigned
18/06/2009
appointed
08/12/2008
appointed