William Drenttel is a partner with Jessica Helfand at Winterhouse, a design practice in Falls Village, Connecticut, focused on social innovation, online media and educational institutions. He is also design director for Teach For All, an international education network inspired by Teach For America. Through the Winterhouse Institute, he is leading a series of initiatives funded by the Rockefeller Foundation to develop models for design and social innovation, including a recent Aspen Design Summit. Bill is president emeritus of AIGA, a senior faculty fellow at the Yale School of Management, and a fellow at the Institute of the Humanities at NYU. He is also the editorial editor of Design Observer, a leading website focused on design, social innovation, urbanism and cultural commentary.