The challenge is a long-standing one for senior managers: How do you get people in your organization to work together across internal boundaries? But the question has taken on urgency in today’s global and fast-changing business environment. To service multinational accounts, you increasingly need seamless collaboration across geographic boundaries. To improve customer satisfaction, you increasingly need collaboration among functions ranging from R&D to distribution. To offer solutions tailored to customers’ needs, you increasingly need collaboration between product and service groups.

A version of this article appeared in the March 2005 issue of Harvard Business Review.