Christof Brandtner is an assistant professor of social innovation at emlyon Business School and a senior research fellow in Stanford’s Civic Life of Cities Lab. His research connects organizational and urban studies to examine the emergence, diffusion, and implementation of sustainable organizing. Walter (Woody) Powell is Jacks Family Professor of Education, Sociology, Organizational Behavior, Management Science and Engineering, and Communication at Stanford University, where he has also served as the faculty codirector of the Stanford Center on Philanthropy and Civil Society since its founding in 2006. At PACS, he leads the Civic Life of Cities Lab.