The document discusses using Lean Six Sigma methodology to improve customer satisfaction and business success. It explains that Lean Six Sigma is a data-driven approach that focuses on eliminating waste and increasing efficiency while meeting customer requirements. The Lean Six Sigma methodology involves five steps: Define the problem from the customer's perspective, Measure the current performance baseline, Analyze the root causes of defects or issues, Improve processes based on data analysis, and Control future performance to sustain gains. The goal is to continuously improve quality, reduce costs and ensure high levels of customer satisfaction.