Guy became Chief Executive of the Advertising Standards Authority, the UK regulator of ads in all media, in 2009. He is responsible for executing the ASA’s strategy to have More Impact Online, including through proactive regulatory project work, the investigation of complaints, enforcement activity, the development of regulatory policy, the provision of CAP advice and training and the system’s communications, marketing, public affairs and research activities. From 2013 to 2016, Guy chaired the European Advertising Standards Alliance, the single authoritative voice on advertising self-regulation comprising national advertising self-regulatory organisations and organisations representing the advertising and media industries in Europe and beyond.

He remains a Board and Executive Committee member. Guy is Vice President of the International Council for Advertising Self-Regulation, a Board member of the Fundraising Regulator, a member of the Fundraising Regulator’s Standards Committee, a member of the UK government’s Consumer Protection Partnership Strategic Group and a member of the National Statistics Designation Review Steering Group. Married with three children, he lives in North London.