Corporate and legal affairs director, Tesco

Lucy Neville-Rolfe Corporate and legal affairs director Tesco

A close confidant of former Tesco chief executive Sir Terry Leahy, the former Whitehall strategist remains the power behind the throne in Cheshunt. It will be interesting to see how hew role evolves under new boss Philip Clarke, but issues ranging from the riots at the Stokes Croft store in Bristol to controversy over boardroom pay at Tesco have been a reminder her diplomatic skills are needed more than ever.