The cascade (i.e., the triangle with senior managers, middle managers, staff) strategy can work; I have successfully used it. In fact, until about 5-8 years ago, I would have said it was the best-known way to achieve change across an organization. What has happened in the past 5-8 years is an understanding of new ways of changing organizations that are faster, cheaper, and have a greater chance of success. These approaches are based upon high participation. If the cascade is characterized by t.