Lean manufacturing and six sigma are powerful philosophies backed by several tools for improving quality, productivity, profitability, and market competitiveness for any corporation in a holistic manner. Lean manufacturing focuses on eliminating waste and improving flow using various proven methods initially pioneered by the Toyota Manufacturing Co. under the banner of the Toyota Production System (TPS). Six sigma methods were first perfected by the Motorola Co. and deployed with ferocious gusto by Jack Welch while he was the CEO of General Electric. Six sigma is focused on reducing process variation using problem solving and statistical tools. Authors: E. A. Cudney (University of Missouri-Rolla), M. Mehta (East Carolina University), R. Monroe (East Carolina University).