Michael Porter is an economist, researcher, author, advisor, speaker and teacher. Throughout his career at Harvard Business School, he has brought economic theory and strategy concepts to bear on many of the most challenging problems facing corporations, economies and societies, including market competition and company strategy, economic development, political competition, the environment, and health care. His approach is based on understanding the overall economics and structure of complex systems, in contrast to particular elements or parts. His extensive research is widely recognized in governments, corporations, NGOs, and academic circles around the globe. His research has received numerous awards, and he is the most cited scholar today in economics and business. While Michael Porter is at the core a scholar, his work has achieved remarkable acceptance by practitioners across multiple fields.