A popular maxim states that the only constant in business today is change. Whether the result of growth opportunities, new competition, technological advances or other internal and external factors, every business enterprise must manage change. Since the 1980s, companies have experimented with a method for driving change--High Performance Teams (HPTs), work teams that achieve a quantum leap in results in less than a year. Drawing from over 25 years of experience with HPTs, Marc Hanlan traces their history in a wide variety of industries, analyzes the key factors that contribute to success--or failure--and offers a comprehensive guide to building and managing them successfully.