Antonio Estache, a citizen of Belgium, holds a PhD in Economics from the Université Libre de Bruxelles. He is a professor of economics at his alma mater and a member of the European Center for Advanced Research in Economics and Statistics.Roberto Guerrero, a citizen of Mexico, holds a PhD in Economics from the Massachusetts Institute of Technology. He is an economics senior associate in the Climate Change and Sustainable Development Sector of the Inter-American Development Bank. xxVIII FROM STRUCTURES TO SERVICES Michelle Hallack, a citizen of Brazil, holds a PhD in Economics from the University of Paris Sud. She is a senior energy specialist in the Energy Division of the Inter-American Development Bank. Robin Hamaker-Taylor, a citizen of the United States, holds an MSc in Environmental Policy and Regulation from the London School of Economics. She is a climate policy and risk consultant at Acclimatise Ltd. Bridget Hoffmann, a citizen of the United States, holds a PhD in Economics from Northwestern University. She is an economics specialist in the Research Department of the Inter-American Development Bank. David López Soto, a citizen of Mexico, holds an MA in Economics from El Colegio de México. He is an economist in the Energy Division of the Inter-American Development Bank. Fabiana Machado, a citizen of Brazil, holds a PhD in Political Science from the University of Rochester. She is a senior economist in the Water and Sanitation Division of the Inter-American Development Bank. Laureen Montes Calero, a citizen of Nicaragua, holds an MA in Development and Globalization from the Institute of Development Policy at the University of Antwerp. She is an economist in the Transport Division of the Inter-American Development Bank.