During the past 30 years, the author has served as a management consultant to companies that wanted to achieve revolutionary change to become more successful. He has worked with companies as small as 100 employees and as large as General Motors, IBM and Amgen, the world's largest biotechnology company. More recently he has worked (as a pro bono consultant) with small school districts as well as some of the biggest school districts in the United States. He has taught business school courses on organizational change, and studied the scholarly research on how to change organizations. He has reduced hard-won lessons into seven basic rules that guide most successful attempts at change. Follow them and you are more than likely to succeed, too.