The previous chapters describe a marketing environment of unprecedented change and complexity. The result is a need to reorganize brand portfolios, rethink spending approaches, generate more fine-grained customer insights, overhaul pricing and segment management, and restructure sales, service, and channel strategies. Each change is a challenge in its own right, and some companies are tackling more than one: GE, for example, has been trying simultaneously to improve the way it approaches innovation, brand management, and customer care. This level of change represents a commercial transformation—that is, a transformation of the company's broad-based marketing and sales elements.

It's difficult to carry off change of this magnitude at a brisk pace: deeply ingrained habits keep employees from embracing new techniques, skill-building efforts break down, and leaders lose focus. To counteract these problems, companies have developed a variety of change-management approaches, particularly in operations, where techniques such as Six Sigma and Total Quality Management (TQM) have flourished. Making change stick typically requires both planning and action—centering change on a powerful aspiration, establishing systems and processes that reinforce the goals of change, modifying mind-sets by creating a sense of shared purpose among employees, conducting targeted skill-building efforts, and creating role models for employees....