Guy was a Non-executive Director of Royal Dutch Shell from 2010 to 2017 and Deputy Chairman of SABMiller from 2013 to 2016. He is currently Chairman of Trustees of Sir John Soane’s Museum in London.
He was Chief Financial Officer of Rio Tinto and Rio Tinto Limited from 2002 to April 2013, and remained Senior Executive Director of these companies until the end of 2013.
Prior to joining the Rio Tinto Group, he worked in investment banking and gained an MBA at INSEAD. From 2007 to 2010, he was a Non-executive Director of Cadbury, serving as Chairman of its Audit Committee from 2008 to 2009 and as Senior Independent Director from 2008 to 2010.
He was a member of the UK Takeover Panel and Chairman of the Code Committee of the Panel and previously on the International Advisory Board of the Fundacio Dom Cabral, the Brazilian business school.