Sarah James is the principal of a city and town planning consulting firm specializing in participatory planning methods. She co-authored the American Planning Association's Planning for Sustainability Policy guide, and has published articles and given workshops throughout the United States on this subject.
Torbjörn Lahti is the project director for Sustainable Robertsfors, a five-year sustainable community demonstration project. He was the project planner for Sweden's first eco-municipality, Övertorneå, and was instrumental in the formation of SeKom, the Swedish national association of eco-municipalities.