---
title: What is Lean Six Sigma?
description: What is Lean SIx Sigma? Take a look at our best definitions, learning resources & articles on Lean Six Sigma. Lean Six Sigma is the result of combining two
---

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# What is Lean Six Sigma?

Take a look at our best definitions, learning resources & articles on Lean Six Sigma

## **The Global State of Operational Excellence: Critical Challenges & Future Trends**

130 pages of the most comprehensive study of critical challenges and future trends within Operational Excellence.

## [![RESEARCH REPORT 20212022](https://insights.btoes.com/hs-fs/hubfs/RESEARCH%20REPORT%2020212022.png?width=282&name=RESEARCH%20REPORT%2020212022.png)](https://insights.btoes.com/download-research-report-2018/19-the-global-state-of-operational-excellence-critical-challenges-future-trends)

 

![Lean Six Sigma; An Introduction to the Methodology](https://insights.btoes.com/hs-fs/hubfs/Screenshot%202016-11-13%2018.16.39.png?width=1024&name=Screenshot%202016-11-13%2018.16.39.png "Lean Six Sigma; An Introduction to the Methodology")

## **What is Lean Six Sigma?**

**Lean Six Sigma** is the result of combining two widely-used Operational Excellence methodologies: Lean and Six Sigma. Lean Six Sigma firstly places emphasis on the use of Lean methodologies and tools to identify and remove waste and increase process velocity, then fortifies this with the use of Six Sigma methodologies and tools to identify and reduce (or ideally) remove process variation altogether.

***"Intellectuals solve problems, geniuses prevent them"*** 

***- Albert Einstein***

 

<iframe class="hs-responsive-embed-iframe hs-fullwidth-embed" style="position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none;" xml="lang" src="https://www.youtube.com/embed/hSDBIQ28TOE" width="1086" height="150" allowfullscreen data-service="youtube"></iframe>

<https://www.youtube.com/watch?v=hSDBIQ28TOE>

 

***[A Short Introduction to Lean Six Sigma](https://www.youtube.com/watch?v=hSDBIQ28TOE)** - [AlonGoldis](https://www.youtube.com/channel/UCGLyUgSlhXjdvet0C82aeZQ)*

**The DMAIC Process**

DMAIC is an acronym for the five phases that make up the core of the Lean Six Sigma process:

- **Define** the problem, improvement activity, opportunity for improvement, the project goals, and customer (internal and external) requirements.
- **Measure** process performance.
- **Analyze** the process to determine root causes of variation, poor performance (defects).
- **Improve** process performance by addressing and eliminating the root causes.
- **Control** the improved process and future process performance.

 

<iframe class="hs-responsive-embed-iframe hs-fullwidth-embed" style="position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none;" xml="lang" src="https://www.youtube.com/embed/9XmjRiV9JY0" width="1151" height="150" allowfullscreen data-service="youtube"></iframe>

 

***[What is DMAIC?](https://www.youtube.com/watch?v=9XmjRiV9JY0)** - AskMe*

**[Learn more about DMAIC with the American Society for Quality (ASQ)](http://asq.org/learn-about-quality/six-sigma/overview/dmaic.html)**  
**Overviews & Introductions**

 

**[New to Lean Six Sigma?](https://www.moresteam.com/new-to-lean-six-sigma.cfm) -** MoreSteam

**[What is Lean Six Sigma?](https://goleansixsigma.com/what-is-lean-six-sigma/) -** GoLeanSixSigma

**[The Lean Six Sigma Dictionary](https://www.isixsigma.com/dictionary/) -** ISixSigma

**Videos**

<iframe class="hs-responsive-embed-iframe hs-fullwidth-embed" style="position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none;" xml="lang" src="https://www.youtube.com/embed/kXRvMAHm8MY" width="711" height="450" allowfullscreen data-service="youtube"></iframe>

 

***[Introduction to Lean Six Sigma Methodology (36 min)](https://www.youtube.com/watch?v=kXRvMAHm8MY) -** KYOCERA Document Solutions*

 

<iframe class="hs-responsive-embed-iframe hs-fullwidth-embed" style="position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none;" xml="lang" src="https://www.youtube.com/embed/yZvsqm4Jok8" width="1092" height="150" allowfullscreen data-service="youtube"></iframe>

<https://www.youtube.com/watch?v=yZvsqm4Jok8>

 

***[The 5 Main Stages of the Lean Manager](https://www.youtube.com/watch?v=yZvsqm4Jok8)** - Operationelle Excellence.tv*

 

<iframe class="hs-responsive-embed-iframe hs-fullwidth-embed" style="position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none;" xml="lang" src="https://www.youtube.com/embed/tfQiGDUBdD0" width="991" height="150" allowfullscreen data-service="youtube"></iframe>

 

***[Bill Peterson: Lean Applied to Us](https://www.youtube.com/watch?v=tfQiGDUBdD0)** - TEDxKnoxville*

**Further Reading**

[**The Top 10 Lean Six Sigma Books**](https://insights.btoes.com/business-transformation-opex/lists/top-books-on-lean-six-sigma)

[Lean Healthcare Resources](https://insights.btoes.com/resources/lean-operational-excellence-healthcare-case-studies-resources-examples)

[CREATING A LEAN AND CONTINUOUS IMPROVEMENT CULTURE IN YOUR BUSINESS](https://insights.btoes.com/utilizing-v-transforming-the-culture-create-a-lean-continuous-improvement-culture-in-your-existing-business)

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