Alex Balfour, CDO, The Engine Group

John Browett, CEO, Monsoon Accessorize

Sir Nigel Shadbolt, Chairman, The Open Data Institute

Jon Rudoe, Digital and Technology Director, Sainsbury's

Ralph Rivera, Director, BBC Digital, BBC

Lewis Wiltshire, Head of Partnerships, UK, Twitter

Paul Coby, CIO, John Lewis

Paul Wilkinson, Head of Technology Research, Tesco Labs

Ruchir Rodrigues, Managing Director, Digital, Barclays

Clive Bairsto, Global Head of Business Resilience and Continuity, National Grid