| Company | Timeline | Status | |
| M Group Energy (Network Infrastructure) Limited Director • Non-executive Chairman | 1 Apr 1997←8 Months→18 Dec 1997 | Active | |
| Alcatel-Lucent UK Limited Director • Retired | 20 Dec 1996←1 Year 4 Months→6 May 1998 | Dissolved | |
| Ge Power Resources Management Ltd Director • Retired | 1 Nov 1994←3 Years→18 Dec 1997 | Dissolved | |
| Amec Mechanical And Electrical Services Limited Director • Chartered Electrical | 1 Jun 1994←2 Years 1 Month→12 Jul 1996 | Dissolved | |
Logica Esis (UK) Limited Director • Chief Executive | 20 Aug 1992←1 Year 7 Months→31 Mar 1994 | Dissolved | |
Electricity Association Services Limited Director • Chief Executive | 15 Jul 1992←1 Year→15 Jul 1993 | Dissolved | |
| National Grid Electricity Transmission Plc Director • Chief Executive | 15 Aug 1991←2 Years 7 Months→31 Mar 1994 | Active | |
