Skills and experience: Ian is the former Chief Executive of BTR plc, former Deputy Chief Executive and Chief Financial Officer of Rio Tinto plc, former non-executive Chairman of Instinet Group Inc and a former non-executive director of Johnson Matthey plc, Commercial Union and Reuters Group plc.

External appointments: Ian is a non-executive director of Xstrata plc, Transocean Inc and Caithness Petroleum Limited.