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Our People

Steve Ratchye

P.E., S.E., R.A., LEED AP BD+C Associate Principal


Steve Ratchye serves as a leader of the Structural Engineering practice in the San Francisco office. He has extensive experience in structural design, analysis and project management across all project types and materials. Steve has collaborated with such architects as Gensler, Morphosis, Gehry Partners, Antoine Predock, agps rchitecture, Foster + Partners and Miralles Tagliabue EMBT on projects in North America, Europe and Asia. Throughout his career, Steve has designed dozens of K-12 and higher education projects, everything from gymnasiums and libraries to laboratories and classrooms. His portfolio also includes a variety of cultural and entertainment facilities, such as museums, performing arts centers and sculptural installations, as well as stadiums, religious buildings, commercial projects and an aerial tram. Steve is particularly interested in supplementary cementitious materials and sustainability in the built environment. He serves on the American Concrete Institute’s Committee on Fly Ash in Concrete. He has given presentations on fly ash and other issues relating to structures and sustainability at national conventions and industry events.


M.S., Structures, The University of Texas at Austin

M.Arch., The University of Texas at Austin

B.A., Philosophy, Harvard University

Steve considers structure the most enduring system of a building and to integrate it well with the architecture is a lasting achievement.