Philip Castillo, FAIA/ Managing Director

Philip Castillo, FAIA, brings over 40 years of distinguished experience spanning a broad spectrum of building types, including some of the most complex and high-profile projects undertaken by the firm. As Managing Director, he engages in all phases of a project including overseeing planning, design, management, and systems integration, to ensure the design intent is meticulously preserved from inception through completion. 

Philip’s extensive portfolio encompasses iconic global landmarks such as Sony Center Berlin, Suvarnabhumi International Airport in Bangkok, Shanghai New International Expo Centre, Tokyo Station Yaesu Development, and 1000M in Chicago. Simultaneously, he has championed innovation through smaller-scale projects, including the Harold and Margo Schiff Residences in Chicago and the Pritzker Military Library & Museum. This breadth of experience equips him with a unique ability to navigate complex programs and systems, expertly synthesizing a project’s components and details within a cohesive architectural vision. 

In recognition of his professional achievements and contributions to the field, Philip was inducted into the College of Fellows of the American Institute of Architects in 2010. He has also shared his expertise as a speaker at prestigious events, including the World Architecture Festival in Miami (2025) and numerous Council on Vertical Urbanism programs around the world. 

Philip studied architecture at the Illinois Institute of Technology in Chicago and began his long-standing association with Jahn in 1978.