Joel is a well-respected voice on business, the environment, and the bottom line. As a writer and strategist on corporate sustainability practices and clean technology, he has helped a wide range of companies align environmental goals with business strategy. He is author of several books on business and sustainability, including his most recent, Strategies for the Green Economy. He also is a co-founder and principal of Clean Edge Inc., a research and publishing firm focusing on clean technologies, and serves as a senior strategist to GreenOrder, a sustainability strategy firm.