José Manuel Vassallo is Professor in the Department of Transportation Engineering, Urban and Regional Planning at Universidad Politécnica de Madrid, Spain. He is also a member of the academic staff of the Transportation Research Centre (TRANSyT). He was research fellow at the Harvard Kennedy School of Government. Presently, José Manuel Vassallo teaches “Socioeconomic Appraisal of Infrastructure Projects” and “Infrastructure Financing”. His research activity during the last few years has been focused on transportation management and business models, freight economics, transport regulation, and socioeconomic appraisal of transport policies. In his academic career, he has published five books and more than eighty papers in prestigious journals. José Manuel Vassallo has also received several awards for his research and publications. He has worked as a consultant for many private companies, for the Governments of Spain and Chile, and also for international organizations such as the World Bank, the Andean Corporation of Development, the International Transport Forum and the European Investment Bank. Currently, he is member of the Advisory Board of the Ministry of Transportation of Spain.