Definition

Certification in Lean Six Sigma validates proficiency in methodologies and tools at various belt levels, including Yellow Belt, Green Belt, Black Belt, and Master Black Belt. Certifications are offered by universities, corporations, and professional societies.

Application

Certifications typically require successful completion of a structured training course and practical project work, with expectations increasing at higher levels:

• Yellow Belt: Introduction to Lean Six Sigma concepts, basic problem-solving, and process improvement support.
• Green Belt: Emphasis on core tools and problem-solving within a team.
• Black Belt: Advanced statistical analysis, leadership in complex projects, and broader organizational impact.
• Master Black Belt (MBB): Expertise in coaching, strategy, and advanced methodologies.

Requirements vary widely across certifying organizations, with some requiring multiple projects and rigorous exams, while others may accept simulated projects or simplified criteria. There is no centralized authority governing certification standards.

See Also

Master Black Belt
Black Belt
Green Belt
Yellow Belt

External Links

Setting a Standard for Lean Six Sigma Belt Certification - https://www.processexcellencenetwork.com/lean-six-sigma-business-performance/articles/setting-a-standard-for-lean-six-sigma-belt-certifi Lean Six Sigma Certification - https://www.moresteam.com/lean-six-sigma/certification Lean Six Sigma Belt Levels Explained - https://www.moresteam.com/resources/blogs/six-sigma-belt-levels