Information Commissioner of the United Kingdom from 2002 to 2009. Gave evidence on the responsibilities and workings of the Office of Information Commission with particular reference to privacy. During his time in office, he had raised concerns over the increased use of closed-circuit television (CCTV) and the introduction of ID Cards in the UK.
Chief Operating Officer in Europe of Microsoft search engine Bing at the time of the Inquiry. Gave evidence on the feasibility of pulling down links in cases of invasion of privacy and on protection, licensing and litigation of intellectual property rights. Also answered questions from Lord Leveson on whether systems were able to filter defamatory material.