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Unlock the Full Potential of Lean Six Sigma

Training, certification and deployment services built around the LSSx.0 standard. Belt certifications from Yellow to Black, Lean Manager and Lean Practitioner programmes, on site or live online.
4,000+
professionals certified
Worldwide
Online & Corporate on-site
France, Belgium & Netherlands
In person & online

What is Lean Six Sigma?

A method for improving how work gets done, built from two approaches that answer different questions. Lean asks where time and effort go without producing anything the customer values. Six Sigma asks why results vary, and how to bring that variation under control.
Lean
Removes waste and shortens lead time.
Six Sigma
Reduces variation and defects.
Read the full explanation →
Lean removes waste and shortens the process; Six Sigma narrows variation. Together they make a process both fast and consistent. SIX SIGMA Reduce variation 3.4 defects per million LSL USL LEAN Remove waste, shorten lead time BEFORE 8 steps AFTER 5 steps shorter lead time

Your Certification Path

Pick a level — or click a segment to open it
Level
Lean Practitioner
Yellow Belt, includes previous levels
Green Belt, includes previous levels
Black Belt, includes previous levels
Master Black Belt, includes previous levels
Lean Manager
Business Process Mgmt
Design for Six Sigma
Total
Specialized
Standalone — no belt required
Lean management icon

Lean Practitioner

Foundation
2
days
For professionals who want to improve operations.
Develop practical Lean skills to assess operational performance, identify inefficiencies, improve flow, and reduce lead times.
Yellow belt icon

Yellow Belt Lean Six Sigma

Essential
4
days
For professionals leading DMAIC projects on simple problems.
Develop the skills to improve operational performance and solve simple problems (discernible) using Lean, LSSx.0, and DMAIC.
Builds on Lean Practitioner capabilities and adds structured DMAIC problem solving.
Green belt icon

Green Belt Lean Six Sigma

Intermediate
7
days
For professionals leading DMAIC projects on complex problems.
Develop the skills to improve operational performance and solve complex problems using Lean, LSSx.0, DMAIC, and statistical analysis.
Builds on Yellow Belt and extends problem-solving capability to complex problems requiring deeper analysis.
Black belt icon

Black Belt Lean Six Sigma

Advanced
10
days
For professionals tackling highly complex problems and advanced performance challenges.
Develop the skills to achieve advanced operational performance and solve highly complex problems using Lean, LSSx.0, DMAIC, and advanced statistical methods, including Design of Experiments.
Builds on Green Belt capabilities with advanced analytical methods to address the most demanding operational and quality challenges.
Master black belt icon

Master Black Belt Lean Six Sigma

Expert
13
days
For experts leading Lean Six Sigma deployment across the organization.
Develop the expertise to achieve the highest levels of operational performance using Lean, LSSx.0, DMAIC, and expert-level statistical analysis, while leading large-scale Lean Six Sigma deployments.
Builds on Black Belt capabilities with deeper statistical expertise and the ability to structure and lead Lean Six Sigma deployment across the organization.
Lean manager icon

Lean Manager

Specialized
2
days
For managers who need to structure and sustain operational performance.
Develop the managerial skills to structure, lead, and sustain Lean performance systems, aligning teams, daily management, and operational objectives.
Business process icon

Business Process Management (BPM)

Specialized
3
days
For professionals who need to align processes with strategy and performance.
Develop the skills to structure, design, and manage business processes, from strategy and process architecture to BPMN modeling and performance management.
Design for six sigma

Design For Six Sigma

Specialized
2
days
For teams designing new products, services, or processes for performance from the start.
Develop the skills to turn stakeholder requirements into innovative, high-performance products, services, and systems.
Your Certification Path
Lean management icon
Lean Practitioner
Foundation · 2 days
Process improvement
Waste reduction
Develop practical Lean skills to assess operational performance, identify inefficiencies, improve flow, and reduce lead times.
Yellow belt icon
Yellow Belt Lean Six Sigma
Essential · 4 days
DMAIC project management
Simple quality problem solving
Develop the skills to improve operational performance and solve simple problems (discernible) using Lean, LSSx.0, and DMAIC.

Builds on Lean Practitioner capabilities and adds structured DMAIC problem solving.
Green belt icon
Green Belt Lean Six Sigma
Intermediate · 7 days
Complex quality problem solving
Standard performance
Develop the skills to improve operational performance and solve complex problems using Lean, LSSx.0, DMAIC, and statistical analysis.

Builds on Yellow Belt and extends problem-solving capability to complex problems requiring deeper analysis.
Black belt icon
Black Belt Lean Six Sigma
Advanced · 10 days
Complex quality problem solving
Advanced performance
Develop the skills to achieve advanced operational performance and solve highly complex problems using Lean, LSSx.0, DMAIC, and advanced statistical methods, including Design of Experiments.

Builds on Green Belt capabilities with advanced analytical methods to address the most demanding operational and quality challenges.
Master black belt icon
Master Black Belt Lean Six Sigma
Expert · 13 days
Enterprise-wide deployment
World-class performance
Develop the expertise to achieve the highest levels of operational performance using Lean, LSSx.0, DMAIC, and expert-level statistical analysis, while leading large-scale Lean Six Sigma deployments.

Builds on Black Belt capabilities with deeper statistical expertise and the ability to structure and lead Lean Six Sigma deployment across the organization.
Lean manager icon
Lean Manager
Specialized · 2 days
Leading Lean Performance Systems
Develop the managerial skills to structure, lead, and sustain Lean performance systems, aligning teams, daily management, and operational objectives.
Business process icon
Business Process Management
Specialized · 3 days
Designing and Managing Business Processes
Develop the skills to structure, design, and manage business processes, from strategy and process architecture to BPMN modeling and performance management.
Design for six sigma
Design For Six Sigma
Specialized · 2 days
Designing Innovative, High-Performance Solutions
Develop the skills to turn stakeholder requirements into innovative, high-performance products, services, and systems.

Access the Programs

Choose how you train.
Access our full catalog online from anywhere in the world, or connect with our local teams in France or Belgium, or train with us from the Netherlands.
Online & Corporate on-site

Worldwide

Join our live instructor-led programs from anywhere in the world.
Private in-person training can also be organised at your organisation’s premises on request.
Explore our worldwide offering
In Person & Online

France

Open-enrolment in
For organizations
Corporate Training · Deployment Services
Speak to the team
+33 1 78 90 03 71
Explore our offering in France
In Person & Online

Belgium

Open-enrolment in
For organizations
Corporate Training · Deployment Services
Speak to the team
+32 2 206 10 82
Explore our offering in Belgium

They Trust Our Expertise

Professionals and organizations across industries rely on our expertise to build capabilities, solve complex operational challenges, and achieve higher levels of performance.

The content as a whole seems relevant to be applied in my job. Translated from French.

J
Joakim G.
Green Belt · CQHN · October 2025

It takes a little time to understand his humor and connect with him. Regarding the subject matter, the mastery is excellent and therefore, the training and the answers to questions are relevant. Translated from French.

S
Sybille F.
Green Belt · October 2025

Very good instructor (theory, tools and a lot of concrete examples (sharing his own experience)) Translated from French.

N
Nabila B.
Green Belt · Grow Together · March 2026

I considered that the constant switch from the teory to the three examples taken at the beggining of the training were very helpful to properly understand the different concepts.

S
Simona A.
Yellow Belt · Office Communautaire des Variétés Végétales · October 2026

Congratulations to the trainer – very enjoyable training, very well done in both form and substance. The Lego game is remarkably well done. Translated from French.

W
Witold H.
STELLANTIS AUTO SAS · October 2025

Thank you very much Pascal for the quality of the facilitation, and the competence in mastering the tools. Translated from French.

P
Pascal C.
Green Belt · M.F.P MICHELIN · May 2026

The training course was made very enjoyable by Johann despite the Belgian accent ;-) You can tell that the subject is mastered, the examples are relevant. Thank you Johann I learned things thanks to your pedagogy. Translated from French.

M
Mickael C.
Lean Practitioner · ENGIE France Retail · September 2026

Dynamic trainer who likes to competently explain his subject. Educational and raising awareness of success and failure by practicing the exercise. Translated from French.

M
Maxime D.
Lean Practitioner · CQHN · March 2026

The progression of the training course, the quality of the facilitation and course materials Translated from French.

P
Pascal C.
Green Belt · M.F.P MICHELIN · May 2026

The quality of the exchanges with the trainer, his teaching style as well as his listening skills Translated from French.

K
Kenza O.
Lean Practitioner · ECOMINERO · September 2025

The content is very close to my initial expectations. The approach is concrete enough to allow me to quickly apply Lean methodologies to my company’s processes and deploy them on my ongoing projects. Translated from French.

P
Pierre Yves C.
Green Belt · VIVISOL FRANCE · September 2026

Very educational training course, which links theoretical elements very well with concrete elements, particularly with the lego game Translated from French.

G
Guillaume M.
Lean Practitioner · EXPLISEAT · April 2026

Start Your Certification Journey

From Lean Practitioner to Master Black Belt, choose the certification path that matches your goals and take your performance to the next level.
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