• Practice: a|911
  • Website: www.arq911.com/en
  • Firm Location: Mexico City
  • Country: Mexico
  • Year: 2002

(“Text as submitted by architect”)

Saidee Springall

Saidee Springall (Mexico City, 1968) is an architect from the Universidad Iberoamericana and holds a master’s degree in architecture from the Graduate School of Design at Harvard University. In 2002, she founded a|911 with Jose Castillo. The firm has designed and constructed housing, cultural, educational, infrastructure, commercial, and public space projects for both the public and private sectors. Previously, she worked with Rafael Moneo on the project for the Museum of Fine Arts in Houston in Madrid, Spain, and with Sasaki and Associates in Watertown, MA.




Jose Castillo

Jose Castillo (Mexico City, 1969) is an architect and urban planner living in Mexico City. Castillo holds a degree in architecture from the Universidad Iberoamericana, as well as a master’s in architecture and a Doctor of Design degree from Harvard University’s Graduate School of Design.

In 2002, he founded a|911, an architecture and urbanism firm, along with Saidee Springall. His architectural work and writings have been published in Mexico and abroad, including in Praxis Journal, Bomb, 2G, Domus, Arquine, Geographical UK, Monocle, AD, Wallpaper, The New York Times, Architecture, Monument, and Architectural Record. Recently, his work was featured in the book Shaping Cities, edited by Ricky Burdett and Philipp Rode and published by Phaidon.

Practice Ideology

a|911 is a multidisciplinary office founded in 2002 by Saidee Springall and Jose Castillo in Mexico City. Its work covers architectural, urban design, planning, mobility, and landscape projects approached with a design and research-based methodology. Currently, it is composed of two principals and 60 professionals from different backgrounds and with various expertise.

Their work includes research, cultural, institutional, housing, mobility projects, and mixed-use master plans in various cities in Mexico and Central America. a|911 has collaborated with a diversity of Mexican and foreign architects, including Alberto Kalach, Enrique Norten, Isaac Broid, Javier Sánchez, Michel Rojkind, Productora, MMX, Julio Amezcua, Frida Escobedo, Fernanda Canales, Cadena y Asociados, and Esrawe, among many others.

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