Ph.D., is a founder and Executive Director of Global Footprint Network, a charitable research organization with headquarters in California. This organization supports the creation of a sustainable economy by advancing the policy-utility of the Ecological Footprint. The goal is to make ecological limits central to decision-making everywhere. Mathis has worked on sustainability issues and lectured at more than 100 universities on all continents (minus Antarctica). Mathis created with Professor William Rees the “Ecological Footprint” concept, now a widely used sustainability measure. Mathis is also an adjunct faculty at SAGE of the University of Wisconsin-Madison, and scientific advisor of the Centre for Sustainability Studies in Mexico.
