This document provides an introduction to Lean and how it can be applied to improve service quality and reduce costs. It defines Lean as a methodology for achieving excellence in customer service by eliminating waste and optimizing the flow of customer value. The document discusses some of the challenges with traditional change approaches and how Lean differs by actively engaging employees. It also outlines some of the core Lean concepts like value stream mapping, identifies types of waste, and describes a 5-step method for applying Lean. Overall, the document promotes Lean as an effective approach for continuous improvement that focuses on the customer and empowers employees.