Michael Porter, is the Bishop William Lawrence University Professor at Harvard Business School. A leading authority on competitive strategy and the competitiveness of nations and regions, his work is recognized in governments, corporations, non-profits, and academic circles across the globe. Professor Porter’s core field is competition and strategy, and this remains the focus of his research. His ideas have also re-defined thinking about competitiveness, economic development, economically distressed areas, and the role of corporations in society. He is the author of 18 books and numerous articles. Professor Porter has recently devoted considerable attention to understanding and addressing the problems in health care evident in the United States and abroad. His book, Redefining Health Care (with Elizabeth Teisberg), develops a new framework for understanding how to transform the value delivered by the health care system. For more information, see the web site of the Institute for Strategy and Competitiveness (www.isc.hbs.edu).