Paul Hawken is an author and activist. He has founded successful, ecologically-conscious businesses, and consulted with heads of state and CEOs on economic development, industrial ecology, and environmental policy. He has written seven books including four national bestsellers: The Next Economy, Growing a Business, and The Ecology of Commerce, and Blessed Unrest. The Ecology of Commerce was voted as the #1 college text on business and the environment by professors in 67 business schools. Natural Capitalism: Creating the Next Industrial Revolution, co-authored with Amory Lovins, has been referred to by several heads of state including President Bill Clinton who called it one of the most important books in the world at that time. He has served on the board of many environmental organizations including Center for Plant Conservation, Shelburne Farms, Trust for Public Land, Conservation International, and National Audubon Society.