Formerly: CEO Nesta, 2011-19; founder and Director, Demos, a think-tank; 1997-2004, with UK government including Director, Strategy Unit and Head, Policy, Prime Minister's office under Tony Blair; first CEO of the Young Foundation; Chief Adviser to Gordon Brown; lecturer in telecommunications; investment executive; Reporter, BBC TV and radio. Visiting Professor, LSE, UCL, Melbourne University and regular lecturer, China Executive Leadership Academy. Senior Visiting Scholar, Harvard (2015-18). co-founder of Social Innovation Exchange, Action for Happiness, Uprising, former board member Big Society Capital, Work Foundation, Design Council, Political Quarterly, Involve. Author of many books, including 'Big Mind: How Collective Intelligence can Change the World', Princeton University Press, 2018 and 'Social Innovation; how societies find the power to change', Policy Press, 2019