Lean has established itself in many German companies. It is considered a guarantee for increased competitiveness. However, there are often problems with its implementation. Frequently, the execution remains bumpy and is associated with high friction losses. Lean does not thrive on methods alone, but through the people who implement it every day. The key lies with the leaders: they must have the right mindset, understand Lean, embody it, engage their employees, and drive success. Only then can Lean become sustainable and realize its full potential. But how do leaders become Lean leaders? How can value creation and appreciation be convincingly combined and implemented in everyday leadership? How can leaders be developed, alongside the necessary methodological knowledge, to embody, demand, and promote Lean daily? Answers to these questions are provided in the new book by engineer Dr.