Lean Six Sigma is a methodology that arises from the 'synergistic union of Lean and Six Sigma. Precisely because of the union of the two complementary approaches, improvement projects enjoy the Lean effectiveness and quantitative approach of Six Sigma. But what are the real benefits and what are the critical issues Operational Excellence groups may encounter in adopting this approach?

This article aims to approach the problem objectively, showing in a practical way the advantages of the method and also the needs that DMAIC requires to be met.

Operational Excellence (Operational Excellence) is now a common topic in most companies, large and small. Everyone is used to talking about it, and the search for personnel on the topic is becoming more and more frequent. Lean, WCM, Six Sigma and finally Lean Six Sigma are all potential methods to be able to facilitate the path to process excellence.

Just to understand the magnitude of the phenomenon, Google is an incredible repository of knowledge on Lean and Six Sigma. Trying to search the terms, the results are staggering: 332 million results in 0.53 seconds for the first term and 221 million in 0.52 seconds for Six Sigma. To benchmark, pizza reaches 1,740,000,000 results, Jesus 1,450,000,000 million results, while the Beatles (beyond what the late John Lennon said) only 173 million.

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