Marianne Fay is Chief Economist for Sustainable Development at the World Bank and Co-Director of the World Development Report 2010 on Climate Change. At the World Bank she has served in multiple regions, including Eastern Europe and Central Asia, Latin America and the Caribbean, and Africa, working on infrastructure, urbanization, and more recently on climate change and green growth. Her research has explored the role of infrastructure and urbanization in development, with a particular focus on urban poverty, climate change, and green growth, on which she has authored numerous articles and books. Most recently she was lead author of the World Bank’s flagship report for Rio+20, Inclusive Green Growth: The Pathway to Sustainable Development. Ms. Fay holds a PhD in Economics from Columbia University.