The term "lean" is booming. Especially in times of low sales and contribution margins, organizations strive to be lean. This also applies to their projects and project management. However, it is often forgotten what the "Lean" concepts are actually about. For this reason, this method description shows what the core of the ?lean? idea is,how the ?lean? idea can be transferred to project management,what the ?lean? idea means.... for the methods of project management You can find the complete article on Lean Project Management by Rainer Erne in the following link (PDF) Lean Project Management (626.65 kB)