| Company | Timeline | Status | |
| The Society Of Operations Engineers Director • Retired | 15 Nov 2002←8 Months→17 Jul 2003 | Active | |
| Institution Of Plant Engineers Director • Retired | 15 Nov 2002←8 Months→17 Jul 2003 | Active | |
| Institution Of Plant Engineers Director • Consultant Engineer | 21 Jun 1991←6 Years→13 May 1998 | Active | |
