| Company | Timeline | Status | |
| Willowbank Flat Management (Southport) Limited Director • Retired | 2 Jul 2002←1 Year 9 Months→31 Mar 2004 | Active | |
| Willowbank Flat Management (Southport) Limited Director • Consulting Metallurgist | 22 Aug 1991←9 Years→31 Mar 2001 | Active | |
