The document discusses several key concepts and principles of lean management including: - Virginia Mason Medical Center redesigned their chemotherapy process using lean concepts which resulted in savings of $6 million, freeing up 13,000 square feet of space, and reducing costs and staff walking distances. - Xerox and Honeywell adopted lean and six sigma across their organizations which led to estimated savings and future gains in the millions for Xerox from their lean six sigma program. - Valley Baptist Hospital used lean, six sigma and change management to reduce their patient discharge time from an average of 185 minutes to 48 minutes.