Dr. Doug McKenzie-Mohr, an environmental psychologist, is the founder of community-based social marketing, and his best-selling book, Fostering Sustainable Behavior: An Introduction to Community-Based Social Marketing, has become requisite reading for those who deliver programs to promote sustainable behavior. He has worked internationally with a diverse array of governmental and non-governmental agencies, assisting them in identifying the barriers to behavior change and in developing and evaluating community-based social marketing initiatives to overcome these barriers. He has served as an advisor for Canada’s public education efforts on climate change, as the coordinator of the international organization, Holis: The Society for a Sustainable Future, and as a member of Canada’s National Round Table on the Environment and the Economy. He is a former Professor of Psychology at St. Thomas University in New Brunswick, Canada where he co-coordinated the Environment and Society program. More than 50,000 program managers have attended workshops on community-based social marketing that he has delivered internationally.