Board of directors

Russell Walls (62)

Independent non-executive director

Appointed to the board in May 2004. Currently a non-executive director of Signet Group plc (retail) and the senior independent director of Stagecoach Group plc (transport). A former group finance director of BAA plc (transport), Wellcome plc (pharmaceuticals) and Coats Viyella plc (textiles). Former non-executive director of Hilton Group plc (leisure) and the Mersey Docks and Harbour Company (transport).

Chairman of the governance and regulatory committee and member of the audit committee.