William McDonough is a leader in E.S.G. and sustainable design and adviser to corporate and government leaders. He co-authored “Cradle to Cradle: Remaking the Way We Make Things,” and recently articulated the Circular Carbon Economy, a framework for carbon management. He presented the concept at COP25 and at opening workshops for the 2020 G20. He received Presidential Awards for Sustainable Development and Green Chemistry. Time magazine recognized him as one of 2007’s Heroes for the Environment and Fortune named him #24 in the World’s 50 Greatest Leaders.