Leslie Paul Thiele teaches political theory and serves as Director of Sustainability Studies at the University of Florida. His interdisciplinary research focuses on sustainability issues and the intersection of political philosophy and the natural sciences. His central concerns are the responsibilities of citizenship and the opportunities for leadership in a world of rapid technological, social, and ecological change. He is currently developing practical principles inspired by nature to guide individual lifestyles and organizational practices. The work is tentatively entitled NATURE'S COMPASS. Leslie Paul Thiele lives in Gainesville, Florida.