This document provides an introduction to Lean and Kaizen. It defines Lean as an approach that aims to systematically eliminate waste by involving employees to do more with less resources. Kaizen is described as a method to apply Lean philosophy through intensive problem-solving teams. The main principles of Kaizen are outlined as teamwork, no deadlocks, accepting criticism, and immediate implementation of corrections. Key factors for successful Kaizen include clear goals, manager support, involvement of key stakeholders, and continuous communication. Example tools that can be used include identifying waste, brainstorming, prioritizing with voting grids, cause analysis, and action planning.