Stephen R. Kellert is the Tweedy/Ordway Professor of Social Ecology and Co-Director of the Hixon Center for Urban Ecology at Yale University, and a Partner in the private equity firm Environmental Capital Partners. The recipient of numerous awards for teaching and writing, he is the author of more than 150 publications, including seven books.

Judith H. Heerwagen is President of J.H. Heerwagen & Associates. She is a psychologist whose research focuses on sustainability, biophilia, and the evolutionary basis of environmental aesthetics. She has authored and delivered numerous articles and lectures on the topics of workplace, biophilia, and the psychological value of space.

Martin L. Mador, a researcher on biophilic design at Yale University, has worked on green building and healthy schools issues, including the passage of LEED legislation in Connecticut. He is a board member of the Connecticut Sierra Club, as well as several other environmental organizations.