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Is Six Sigma Still Relevant in 2021

Updated: Jun 29

Short Answer: Yes, Six sigma is Still Relevant in 2021. The results of Lean Six Sigma can be unbelievably great, and any investment will be worth it…that is IF the goal is meaningful results. What counts as meaningful results? Read on!


As we close our eyes and picture the reader, we can see the faces of the hundreds of dedicated, hard-working and trusting people whom we've have had the honor of teaching how to be competent Lean Six Sigma practitionersand can't help but have the question in the back of our minds, "Is Lean Six Sigma Still Relevant?", and "Is Six Sigma Outdated?"

We'll use a simple analogy here. Is diet and exercise still relevant to your health? Of course. But what if you use the same approach that was around when Lean and Six Sigma first recognized? You’d be having extra sugar in your coffee for energy, smoking a no-filter cigarette to calm down all while attached to a fat-jiggling exercise belt machine to create a sexy bum! The principles of eating better and moving more will always be relevant. But how we achieve those objectives and what works for our current reality is what must evolve. Just like Lean Six Sigma.


The principles of Six Sigma will always be relevant. But how we achieve those objectives and what works for our current reality is what must evolve

HOW DOES LEAN SIX SIGMA WORK?

Lean Six Sigma combines the two methods of lean and six sigma. In short, Lean spots sources of process variation and Six Sigma reduces that variation to achieve a cycle of continuous improvements towards the final goal of continuous flow. Lean six sigma uses the DMAIC phases for its projects. DMAIC (pronounced “duh-may-ick”) is a process that focuses on structured problem solving. It is an integral part of Six Sigma, a method of continuous business improvement. The 5 phases of DMAIC are

  1. Define

  2. Measure

  3. Analyze

  4. Improve