Mathis Wackernagel is a Swiss-born sustainability advocate. He is President of Global Footprint Network, an international sustainability think tank with offices in Oakland, California; Brussels, Belgium, and Geneva, Switzerland. The think-tank is a non-profit that focuses on developing and promoting metrics for sustainability.He is one of two winners of the 2012 Blue Planet Prize by the Asahi Glass Foundation of Tokyo, which is described as the “Nobel prize for the environmental sciences.”