Steven Cohen is senior vice dean of Columbia UniversityтАЩs School of Professional Studies, professor in the practice of public affairs at ColumbiaтАЩs School of International and Public Affairs, and the director of the Earth InstituteтАЩs Research Program on Sustainability Policy and Management as well as two other mastersтАЩ programs at Columbia University. His books include The Sustainable City (Columbia, 2017) and Sustainability Management (Columbia, 2011).
William B. Eimicke is professor of practice and founding director of the Picker Center for Executive Education at Columbia UniversityтАЩs School of International and Public Affairs. He was New York CityтАЩs deputy fire commissioner and the stateтАЩs housing тАЬczar,тАЭ and his books include Social Value Investing: A Management Framework for Effective Partnerships (Columbia, 2018, with Howard W. Buffett).