Marc Fleurbaey is an economist, professor at Princeton University (Woodrow Wilson School and Center for Human Values) and member of Collège d'Etudes Mondiales (Paris FMSH). He is the co-author of Beyond GDP (with Didier Blanchet, 2013), A Theory of Fairness and Social Welfare (with François Maniquet, Cambridge, 2011), and the author of Fairness, Responsibility and Welfare (2008). He was a coordinating lead author for the IPCC 5th Report, and one of the initiators of the International Panel on Social Progress. He is also a member of the UN Committee on Development Policy, and of the Council for Global Problem-Solving.