Dr. John R. Ehrenfeld returned to his alma mater, MIT, in 1985 after a long career in the environmental field, and retired in 2000 as the Director of the MIT Program on Technology, Business, and Environment. Following that, he served until 2009 as Executive Director of the International Society for Industrial Ecology, guiding its development from its founding in 2000. He is the author of Sustainability by Design: A Subversive Strategy for Transforming our Consumer Culture, and Flourish: A Frank Conversion about Sustainability (with Andrew Hoffman). He served from 2008 to 2012 on the adjunct faculty at the Marlboro College Graduate Center where he taught “Exploring Sustainability” in the MBA for Managing Sustainability program.

In October 1999, the World Resources Institute honored him with their first lifetime achievement award for his academic accomplishments in the field of business and environment. He received the Founders’ Award for Distinguished Service from the Academy of Management’s Organization and Natural Environment Division in August 2000. He spent part of the 1998-1999 academic year at the Technical University of Lisbon as a Fulbright Distinguished Scholar and was Visiting Professor at the Technical University of Delft during the 2000-1 academic year. He is an editor (Emeritus) of the Journal of Industrial Ecology . He holds a B. S. and Sc. D. in Chemical Engineering from MIT, and is author or co-author of over 200 papers, books, reports, and other publications.