Marc J. Epstein is distinguished research professor of management at Jones Graduate School of Management at Rice University, Houston, Texas. He was also recently visiting professor and Wyss visiting scholar at Harvard Business School. Prior to joining Rice, Dr Epstein was a professor at Stanford Business School, Harvard Business School, and INSEAD (European Institute of Business Administration). He has completed extensive academic research and has extensive practical experience in the implementation of corporate strategies and the development of performance metrics for use in these implementations. Dr Epstein has extensive industry experience and has been a senior consultant to leading corporations and governments for over 25 years.