Kate Raworth is an economist whose research focuses on the unique social and ecological challenges of the 21st century. She is a Senior Visiting Research Associate teaching at Oxford University¿s Environmental Change Institute, and a Senior Associate of the Cambridge Institute for Sustainability Leadership. Over the last two decades Kate has worked as Senior Researcher at Oxfam, as a co-author of the UN¿s Human Development Report at the United Nations Development Programme, and as a Fellow of the Overseas Development Institute in the villages of Zanzibar. She has been named by the Guardian as one of the top ten tweeters on economic transformation.