Mathis Wackernagel, born in Basel, Switzerland, is co-creator of the Ecological Footprint and president of Global Footprint Network, which was named one of the World’s 100 Top NGOs by The Global Journal. Wackernagel has worked on sustainability with governments, corporations, and international NGOs on six continents, and has lectured at more than a hundred universities. He previously served as the director of the Sustainability Program at Redefining Progress in California and ran the Centro de Estudios para la Sustentabilidad at Anáhuac University in Mexico. Wackernagel has authored or contributed to over one hundred peer-reviewed papers, numerous articles and reports, and various books on sustainability including the bestselling Our Ecological Footprint. With dozens of international awards and accolades for his pioneering work, he has been identified as a leader who is driving the world’s most significant problems to zero. He lives in Oakland, CA. www.footprintnetwork.org