Bas de Leeuw is a Dutch economist from the Rotterdam Erasmus University. Before joining the WRF in 2011 he was Executive Director of the Donella Meadows Institute, based in Vermont, USA. Bas has been a diplomat for the United Nations Environment Programme (UNEP) from 1997 to 2009. Based in UN Environment’s Economy Division, Paris, France, he has set up and managed a number of new UN initiatives, such as the Sustainable Consumption Program, the Marrakech Process on Sustainable Consumption and Production, the International Life Cycle Panel, and the International Resource Panel.