Alfonso Valenzuela-Aguilera is Professor of Urban Planning at the State University of Morelos and John Bousfield Distinguished Visiting Professor in Planning at the University of Toronto. He also works as a planning analyst/consultant and advises to various citizen boards and councils. Luis Alberto Salinas-Arreortua is Professor of Geography at the Institute of Geographic Research, Universidad Nacional Autónoma de México. He teaches geography and urbanism and has published widely on gentrification, housing policy, and urban management. José Gasca Zamora is Professor of Geography at the Institute of Economic Research, Universidad Nacional Autónoma de México. He teaches regional development, management of local and regional development, and analysis of territorial and regional public policies.