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