John Sheridan is Head of Legislation Services at The [UK] National Archives, where he leads the team responsible for legislation.gov.uk, the UK's official legislation website and the world's first linked data statute book. As Head of e-Services and Strategy at the Office of Public Sector Information he is one of the leading pioneers of open and linked data in the UK. In his current role, John devised "expert participation", an approach for maintaining the UK Government's official legislation database as open data, working with the private sector. He is an active contributor to initiatives at a European level to develop linked legislation data. John is a former co-chair of the World Wide Web Consortium's e-Government Interest Group.