Senior independent director and member of the audit, remuneration and nomination committees
Aged 54, appointed 1 January 2012.
Vivienne has wide experience in energy, natural resources and business innovation. She worked for BP plc for 28 years, in Britain and continental Europe, in posts including executive vice president and chief executive of BP's Gas, Power & Renewables business and its Alternative Energy unit. She is non-executive director of mining company Rio Tinto plc, energy company BG Group plc and chairman of the Supervisory Board of Vallourec, which supplies tubular systems for the energy industry. She is also lead independent director at the UK Department for International Development. Vivienne is a commissioner of the Airports Commission, which was set up by the UK government to examine any requirements for additional UK airport capacity.