What problem would you like to fix? The Define Phase is the first phase of the Lean Six Sigma improvement process. In this phase the project team creates a Proj Six Sigma (6σ) is a set of techniques and tools for process improvement. It was introduced by engineer Bill Smith while working at Motorola in 1986. An introduction to the Six Sigma methodology and DMAIC cycle for process improvement with a focus on the Define and Measure phases. The purpose and the origin of the process six sigma is the result of need for business improvement through customer satisfaction, reduced costs, production of DMAIC is the problem-solving methodology behind Lean Six Sigma. It consists of five Phases: Define, Measure, Analyze, Improve and Control. It is pronounced “duh Six Sigma at many organizations simply means a measure of quality that strives for near perfection. Six Sigma is a disciplined, data-driven approach and Six Sigma, Green Belt, Black Belt and Lean Practitioners offer Lean Six Sigma business optimisation services using world class tools and methods. By way of waste. Overview and Roadmap through the DEFINE phase of a Six Sigma DMAIC project Six Sigma is defined as a method that provides tools to improve business process capabilities. Learn how to integrate lean and Six Sigma at ASQ.org. The Six Sigma methodology follows the Define, Measure, Analyze, Improve, Control (DMAIC) roadmap for process improvement.