David Barrie is a social entrepreneur, founder and principal partner of a social project production company and advisory organization that enables capital growth in cities and the improvement of people’s lives. He’s also the creative brains behind The People’s Supermarket (a social supermarket run by the people for the people, winner of The Observer Ethical Award 2010). He’s been involved with many social, economic and creative ventures across the globe and is an expert in urbanism and sustainability.