Sim Van der Ryn is professor emeritus in the Department of Architecture at the University of California - Berkeley and founder and principal of Sim Van der Ryn + Associates, an architectural firm specializing in ecological design. Stuart Cowan is a general partner of Autopoiesis LLC in Portland, Oregon, which offers design, development, and finance services internationally for large-scale sustainability projects. He recently served as research director at Ecotrust.
"The publication of Ecological Design was a seminal moment for the green building movement, and the book remains one of our most valuable and relevant texts today. Sim Van der Ryn is one of the fathers of sustainable design, but his work transcends time; together with Stuart Cowan, he has written a work that will inspire and inform us for years to come."--S. Richard Fedrizzi "President, CEO and Founding Chairman of the U.S. Green Building Council "