Jose Castillo is a Mexican architect and urban planner. He holds a degree in architecture from the Universidad Iberoamericana in Mexico City as well as a Masters and a Doctor of Design degree from Harvard University’s Graduate School of Design. He is the founding principal along Saidee Springall of a|911, a practice based in Mexico City. Their work includes, cultural, housing, mobility projects and mixed-use master plans in various cities in Mexico. 

Their award-winning projects include the Elena Garro Cultural Center, the García Terres Library and the Ara Iztacalco housing project among others. The firm received the Bronze Medal of the Holcim Awards for Sustainable Construction Latin America, Emerging Voices Award from the Architectural League of New York, and the Audi Urban Future Award. In 2017 they were selected as a recipients of the 2017 Richard Rogers Fellowship. He has served as a juror on several competitions and curated a number of architectural exhibitions. 

Castillo is a visiting professor at Harvard University’s Graduate School of Design and a member of the advisory board of LSE Cities.