Journalist and a cofounder of three free schools. Speaking on: "The Secret sauce of the most successful schools"
Presenter of BBC Radio 4's FutureProofing, writer and comedian. Speaking on: "Big data: does size matter?"
Surgeon and Director of Innovation, NHS England. Speaking on: "How the NHS can become a Silicon Valley for health"
CEO of Smartmatic, the electronic voting company, Speaking on: "The future of democracy is digital"
BBC Daily Politics presenter