David Johnston, Author, Green Building Expert and President of What's Working. David is a leading thinker behind the green building movement, transforming the way we think about building. Johnston’s current book, Green Remodeling: Changing the World One Room at a Time, has been hailed as the definitive guide to green remodeling techniques. His previous book, Building Green in a Black and White World, was published by the National Association of Home Builders Press. David is a much sought after lecturer and keynote speaker and has received numerous awards for his work including the prestigious “Corporate Excellence Award for Sustainable Development” from the University of Colorado, and the “Environmental Hero for 2004” title by Interiors and Sources Magazine. Johnston was also named “Builder of the Year” by the Washington, D.C. chapter of the National Association of the Remodeling Industry and has been inducted into the Remodeling Magazine Hall of Fame. He is the founding designer and consultant to the California Build It Green program.