The Lean, Six Sigma, and Lean Six Sigma seminars provide practical skills and tools for you to immediately implement what you learn. Lean maximizes the value of your operations through waste reduction. Six Sigma focuses on reducing variation. Companies taking IIE’s lean and Six Sigma courses have realized savings at well over $5.2 million. Lean Six Sigma incorporates the waste reduction of lean with the variation reduction of Six Sigma to help provide exactly what the customer requires every time.