Geoff Mulgan is Chief Executive of Nesta, the UK's innovation foundation which currently works in over 40 countries. Between 1997 and 2004 Geoff had roles in the UK government including director of the Government's Strategy Unit and head of policy in the Prime Minister's office. He has been a visiting professor at LSE, UCL and Melbourne University and senior visiting scholar at Harvard University. He advises many governments around the world and recently chaired a World Economic Forum council on innovation and entrepreneurship. He is the co-founder of many organisations, including Demos, Action for Happiness, the Social Innovation Exchange and Uprising. His most recent book is ‘Big Mind: how collective intelligence can change our world’ (Princeton). His books have been translated into many languages.