This work is part of the ASQ Quality Management Division's The Economics of Quality book series, a collection of non-technology-driven innovation that applies to all markets and organizations. It is intended to provide a fundamental introduction to the concepts of Lean enterprise and Six Sigma to executives, personnel new to quality, or organizations interested in introductory information on quality and process improvement. It is intended to be a helpful guide on implementing and optimizing an integrated Lean Six Sigma approach focused on realizing return value and bottom line impact.