He was also a moderator at the 3rd Holcim Forum 2010 on “Re-inventing Construction” held in Mexico City.

The work of a|911 takes a multidisciplinary approach to architecture, urban design, mobility, and urban planning projects such as the expansion of the Spanish Cultural Center in Mexico City, the ARA Lázaro Cárdenas housing project, the Elena Garro Cultural Center, the Valentín Gómez Farías Pilares in Mexico City, and Providencia multi-family housing in Guadalajara. Jose Castillo studied architecture at UIA and the Graduate School of Design at Harvard University.

He is a member of the Advisory Board of the skills and knowledge integration program for graduate students, SCIFI, at the Southern California Institute of Architecture (SCI-Arc), and a member of the Advisory Board of Urban Age - a six-year sequence of international conferences held in cities across Africa, Asia, the Americas and Europe between 2005 and 2010.

He has contributed to a number of international journals and publications, including his most recent work, The Endless City published by Phaidon.