Organization Web Science Trust

Royal Society (Fellow)

Royal Academy of Engineering (Fellow)

Royal Society of Arts (Fellow)

British Computer Society (Distinguished Fellow)

World Wide Web Consortium

World Wide Web Foundation

National Academy of Sciences

ACM (Fellow, 2010)

Engineering and Physical Sciences Research Council (Senior Fellow, 1996-2002)

British Computer Society (Fellow)

Institution of Engineering and Technology (Fellow)

City and Guilds (Fellow)

Royal Academy of Engineering (Fellow, 2000)

Campaign for Science and Engineering

European Research Council (2005-2010)

Prime Minister's Council for Science and Technology (2004-2010)

British Library (Member of Board)

Academia Europaea (Member)

Royal Society (Fellow, 2009)