William Portnof Manager, Growth Portfolio Growth Portfolio Manager William Portnof provides operational and strategic technical assistance to REDF’s portfolio of social enterprises across the country. Prior to joining REDF, William was a Senior Analyst at Cornerstone Research, an economic consulting firm, where he worked across industries and project types. After first learning about the social enterprise model in a college seminar on Entrepreneurship for Social Justice, William was excited to join the REDF team and apply analytical thinking to the business problems facing employment social enterprises. He enjoys working with various stakeholders to solve problems for REDF’s portfolio groups. In his free time, William enjoys skiing, backpacking, trying new restaurants, and watching the latest movies. He holds a B.S. in Political Science from Santa Clara University.