What is Lean Six Sigma?

Lean is a philosophy developed by Toyota to operate a more profitable company by systematically reducing non-value-adding waste and including everyone in the continuous improvement process.


Six Sigma is a customer-focused business- management system developed by Motorola to identify and eliminate the causes of variability and minimize defects.


Working together, Lean Six Sigma is a powerful operational excellence strategy with a major focus on employee knowledge, contributions, and participation. Lean Six Sigma uses a continuous improvement methodology and accompanying tools to improve productivity, quality and lead time (or service response time) through the discovery and elimination of productivity limitations such as variability, waste, and overburden.

Where is it Applied?

Lean Six Sigma was developed for manufacturing, but it is also successfully applied in other industries such as service, healthcare, logistics, finance and accounting, hotels, construction and more. Lean Six Sigma methodologies and tools are now being applied to any process. 

What is Lean Six Sigma used for?

Lean Six Sigma is used to develop a organizational continuous-improvement culture change and improves speed and quality.

Certification Validity

The Certificates of Knowledge and Certifications degree by Lean Six Sigma Institute LCC  in the six levels of the Lean Six Sigma Philosophy (Lean Management, White Belt, Yellow Belt, Green Belt, Black Belt, and Master Black Belt) and in their different specialties are valid for three years from the date of issue.