Noel M. Tichy— author of the best-selling The Leadership Engine and the Cycle of Leadership— is a professor of organizational behavior and human resource management at the University of Michigan Business School, where he is director of the Global Leadership Program and the Global Business Partnership. His consulting clients have included Citibank, Exxon, General Motors, Hitachi, IBM, Pepsico, Royal Dutch Shell, and other international corporations.

Andrew R. McGill is director of the Global Business Partnership at the University of Michigan Business School, where he is also adjunct associate professor of organizational behavior and human resource management. His research focuses on organizations changing to better serve their customers and he consults widely on the topic in the health care, financial services, technology, and automotive industries.