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Lean Six Sigma Belt Levels Explained

A clear pathway for developing continuous improvement capability

Lean Six Sigma Training and Certification

Compare Yellow, Green, Black and Master Black Belt courses and choose the level that fits your role and experience.

Yellow Belt

Green Belt

Black Belt

Master Black Belt

Foundation Level
Understand Lean Six Sigma fundamentals and confidently support continuous improvement initiatives and project teams.

Practitioner level
Lead structured improvement projects using DMAIC methodology and deliver measurable performance improvement.

Advanced
Practitioner Level
Lead complex, cross-functional improvement and drive sustained change through advanced analysis.

 

Expert Consultant,
Adviser and Trainer
Coach belts, influence leaders and embed continuous improvement across the organisation.

Yellow Belt
Survival-kit

Understanding of Lean Six Sigma principles and basic tool-kit in sufficient detail to make a meaningful impact to continuous improvement projects and support organization-wide implementation.
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Green Belt
Practitioner level

Understanding of the Define-Measure-Analyze-Improve-Control roadmap and actionable tool-kit to successfully implement continuous improvement projects.
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Black Belt
Advanced Practitioner Level

Data Analysis and Change Leadership skills to pinpoint performance shortfalls and lead continuous improvement projects.
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Master Black Belt
Expert Consultant, Adviser and Trainer

Expert skills in process variability reduction (DMAIC), process waste reduction (LEAN) and growth through innovation (DFSS) principles.
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yellow
Green
black
master

This level suits professionals and team members who are new to Lean Six Sigma and want a practical introduction to improvement concepts. It works well if your role involves contributing to improvement rather than leading it.

 

Designed for professionals who are expected to lead improvement projects, this level supports those delivering measurable results within a process, function or team.

 

 

Best suited to experienced practitioners, this level supports those leading complex, cross-functional improvement and change initiatives where advanced analysis is required.

 

Aimed at senior improvement professionals, this programme supports those responsible for building capability, coaching belts and shaping improvement strategy.

A clear understanding of core Lean Six Sigma concepts allows you to support improvement work using practical tools, data collection and process thinking.

 

Through structured application of DMAIC, you develop the ability to scope, plan and deliver improvement projects and make confident, data-led decisions.

With advanced analytical and problem-solving capability, you can diagnose complex performance issues and lead change through resistance.

At this level, the focus shifts to coaching others, guiding deployment decisions and designing systems that embed continuous improvement.

Participation is typically as an effective team member, supporting analysis, problem solving and implementation activities.

Responsibility centres on leading defined improvement projects end-to-end, with clear accountability for results.

Leadership extends to high-impact, cross-functional projects, along with coaching teams and managing stakeholder expectations.

You oversee portfolios of improvement work, coach Green and Black Belts and help shape how improvement is governed and sustained.

Learning is focused on fundamental Lean and Six Sigma tools that highlight waste, variation and improvement opportunities.

Application of statistical and process analysis tools enables root cause identification, validation of improvements and performance control.

More advanced statistical and analytical techniques are applied to complex, high-risk performance challenges.

Selection and adaptation of advanced methods becomes central, linking analysis to strategic and organisational decision-making.

Collaboration within teams supports the adoption of improved ways of working.

 

Project leadership requires building local commitment and maintaining momentum throughout delivery.

Change leadership becomes a core expectation, including coaching others and addressing resistance.

Influence extends to senior leaders, with a focus on developing capability and sustaining long-term improvement.

Successful completion results in Lean Six Sigma Yellow Belt certification.

Certification is awarded as Lean Six Sigma Green Belt.

Achievement is recognised through Lean Six Sigma Black Belt certification.

Completion leads to Lean Six Sigma Master Black Belt certification.

An interest in developing basic continuous improvement skills is sufficient to begin.

Entry typically requires an interest in developing practitioner-level improvement capability.

Prior Lean Six Sigma Green Belt certification is required.

Eligibility requires Lean Six Sigma Black Belt certification.

  • Self-paced eLearning
  • Instructor-led Virtual Classroom
  • Face-to-Face Classroom Training 
  • On-site Group Training
  • Self-paced eLearning
  • Instructor-led Virtual Classroom
  • Face-to-Face Classroom Training 
  • On-site Group Training
  • Instructor-led Virtual Classroom
  • Face-to-Face Classroom Training 
  • On-site Group Training
  • Blended Learning combining virtual, classroom and coached application
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View Black Belt
View Master Black Belt

Meet the Our Learners

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Program Features

The quickest, easiest and most engaging way to get individuals and companies on track with Lean Six Sigma concepts and tools.

In-person and virtual workshops

Ready-to-use job aids, tools and templates

Peer-to-peer learning forums

Distinctive digital learning content

Expert coaching support

Nudges, reminders and micro learning

Excellent for remote teams

Auto-translate curriculum and instruction

Multi-channel; eLearning, virtual, face-to-face or in-house

Make progress in less time and deliver results quickly

Tailored learning solutions for companies

Mobile friendly

Highly practical

Join our Lean Six Sigma community

Practice exams

World Class Lean Six Sigma Certification

We don’t just deliver training. 

We train to deliver business results.

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