In this article, renowned management experts Gary Hamel and C. K. Prahalad introduce their approach to strategic planning in the face of tough competition. With advice on tailoring your company's strategy and developing the will to win within your firm, this article helps you define a long-term strategy for your organization that captures employees' imaginations and creates a clear path to success.

Gary Hamel is visiting professor at London Business School and cofounder of The Management Innovation Exchange. His latest book is What Matters Now.

C.K. Prahalad was the Paul and Ruth McCracken Distinguished University Professor of Strategy at the University of Michigan's Ross School of Business. He wrote this article, his 16th for HBR, before he passed away, on April 16, 2010.