John R. Ehrenfeld, retired in 2000 as the Director of the MIT Program on Technology, Business, and Environment. He retired again in June 2009 as Executive Director of the International Society for Industrial Ecology after guiding its development since the Society was founded in 2000. His continuing research focus is on sustainability and culture change. He is the author of Sustainability by Design: A Subversive Strategy for Transforming our Consumer Culture. In June 2009, the International Society for Industrial Ecology awarded him its Society Prize. In October 1999, the World Resources Institute honored him with a lifetime achievement award. He received the Founders Award for Distinguished Service from the Academy of Management’s Organization and Natural Environment Division in August 2000. He holds a BS and ScD in Chemical Engineering from MIT, and is author or co-author of over 200 papers, and other publications.