| Company | Timeline | Status | |
| Lambert Energy Advisory Limited Director • Consultant  | 19 Jul 2010←15 Years→Current  | Active  | |
Commonwealth Business Council Limited Director • President Ceo  | 18 Dec 2002←5 Years→9 Jan 2008  | Dissolved  | |
| Premier Oil Group Limited Director • Chief Executive  | 15 Nov 1999←2 Years 6 Months→5 Jun 2002  | Active  | |
