John Buchanan joined the Board as Chairman on 3 May 2012. His intention to retire from the Board, due to a medical condition, was announced on 27 January 2014. He handed over the role of Chairman on 1 March 2014 and will retire from the Board at the AGM on 1 May 2014. He has broad international experience gained in large and complex businesses. He has experience and knowledge of the international investor community and has held various leadership roles in strategic, financial, operational and marketing positions, including executive experience in different countries. He is a former Chief Financial Officer of BP plc and a former Deputy Chairman and Senior Independent Director of Vodafone Group plc.