Alejandro Castro Mazarro received his degree in Architecture from the University of Seville (Spain), a Master of Science in Advanced Architectural Design from Columbia University in New York, and a Phd in Architecture from the University of Alcala in Madrid. He is Adjunct Assistant Professor of Urban Planning at the School of Architecture, Planning and Preservation at Columbia University, and a partner of the architecture office BuroA. At GSAPP, he coordinated the Latin Lab research group from 2010 to 2016, and teaches seminars and studios. In addition to GSAPP, he has taught at Harvard University, the Pratt Institute, the Technical University Darmstadt, the Institute of Urbanism of Grenoble, the International University of Catalunya in Barcelona, and Escola de Cidade (São Paulo).

Alejandro’s work explores the rhetoric dimension of planning and architecture arguments delving with marginalized communities, to propose spatial practices that are sensitive to both form and policy. As a professional architect he has developed these ideas at the design of urban upgrading projects and at competition awarded projects for social infrastructure in public schools in Spain. In parallel, Alejandro has co-edited with Francisco Diaz the book “Who Cares of Chilean Cities” (ARQ and GSAPP Books), which investigates the problematic relationship between social actors and the production of public space in contemporary Chile. His research has been presented at conferences in San Juan (Puerto Rico), Rio de Janeiro, Singapore, Hong Kong, Morelia (Mexico) and Cambridge (United Ki