David Wann is an author, filmmaker, and speaker on the topic of sustainable lifestyles and designs. Simple Prosperity is a sequel to the best-selling book he coauthored, Affluenza, which is now in 9 languages. A third book in the “trilogy” about creating a more sensible way of life is The New Normal, which has just been published by St. Martin's press. It presents 33 high-leverage actions that can shift our culture in a more sustainable direction. He has also produced 20 videos and TV programs, including the award-winning TV documentary “Designing a Great Neighborhood,” about the Holiday neighborhood in Boulder. David is president of the Sustainable Futures Society and a Fellow of the National Simplicity Forum. He worked more than a decade as a policy analyst for U.S. EPA and co-designed the cohousing neighborhood where he lives, in Golden.