JOSEPH L. BOWER, Baker Foundation Professor of Business Administration, has been a leader in general management at Harvard Business School for 45 years. An expert on corporate strategy, organization, and leadership, he has devoted much of his teaching and research to challenges confronting corporate leaders in today's rapidly changing hyper-competitive conditions. Herman B. ("Dutch") Leonard is Eliot I. Snider and Family Professor of Business Administration at the Harvard Business School and the George F. Baker, Jr. Professor of Public Sector Management at Harvard University's John F. Kennedy School of Government. In addition, he serves as co-chair of the HBS Social Enterprise Initiative. He teaches extensively in executive programs at the Business School and the Kennedy School and around the world in the areas of general organizational strategy, governance, performance management, crisis management and leadership, and corporate social responsibility. His work on leadership focuses on innovation, creativity, effective decision-making, and advocacy and persuasion. Lynn Sharp Paine is a John G. McLean Professor at the Harvard Business School, where she is a member and former chair of the General Management unit. She currently heads the Leadership and Corporate Accountability group and teaches in the Advanced Management Program.