Enrique Peñalosa is an urbanist and the former mayor of Bogotá, Colombia (1998-2001). His current work focuses on equitable public space, land use, affordable housing, transportation, and urban environmental quality. As mayor of Bogotá, Peñalosa established the bus-based transit system TansMilenio, rejuvinated public spaces and built more than 1,000 parks, increased school enrollments, planeted more than 100,000 trees, and built hundreds of kilometers of sidewalks and bike paths. Mayor Peñalosa holds a bachelor degree in Economics and History from Duke University and Masters and Doctorate degrees in Management and Public Administration from the Institut International D’Administration Publique and the University of Paris II in Paris.