Redefining Health Care: Creating Value-Based Competition on Results Review "...a profound and powerful critique of Americas health-care system. It deserves to be read widely. And probably will be." -- Economist.com  About the Author Michael E. Porter is the Bishop William Lawrence University Professor at Harvard Business School and the author of sixteen books and numerous articles on competition and strategy. Elizabeth Olmsted Teisberg is an associate professor at the University of Virginia's Darden Graduate School of Business and author of over fifty articles and cases on strategy and innovation.