Will Lean Six Sigma be relevant in future? One of the most frequently asked questions in recent times? The short answer to the question is "Yes–100%". Those who are practising Lean Six Sigma will agree with my statement. Whenever people ask me this question, I wonder why even get this question. Each industry is with many challenges without the cause being unknown, and Six Sigma is the way out. Having seen the industry from the past 16+ years, I can confidently say that Six Sigma would continue to be in demand for a long time to come. Let me back up with a detailed explanation of how Six Sigma would continue to be useful and relevance in some of the key industries to justify my statement.