Helmut K. Anheier is Professor of Sociology and President emeritus at the Hertie School of Governance, Germany. He also holds a Chair of Sociology and serves as Academic Director of the Center for Social Investment at Heidelberg University, Germany. Diana Leat is Visiting Professor at Cass Business School, London, UK. She is an independent researcher and consultant on philanthropy policy and practice, and spent a year at the Carnegie Trust UK developing the first research centre for philanthropy in the UK (CGAP).