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Online Lean courses
White belt (free!)
Yellow belt
Orange belt
Green belt
Black belt
Affordable Lean packages
Online Six Sigma courses
Lean Six Sigma White Belt
Lean Six Sigma Yellow Belt
Lean Six Sigma Orange Belt
Lean Six Sigma Green Belt
Lean Six Sigma Black Belt
Affordable Six Sigma packages
Classroom and in-company training

Lean.nl also offers classroom Lean and Lean Six Sigma training. We organize our day and evening courses throughout the Netherlands.

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Online workshops

Don't immediately choose a course for you: just get the knowledge and tools that you can use right away.

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Knowledge base

Try the demo and find out for yourself!

Would you like to get acquainted with our learning platform? You can experience what an online Lean training entails by trying out our demo training and discover how complete and versatile our online training courses are.

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Which Lean courses are included in the Lean Expert Package?

The Lean Expert Package is designed to train you to become an expert in Lean management. This comprehensive package includes the following courses:

  • Lean White Belt: An introductory course where you learn the fundamental concepts of Lean.
  • Upgrade from Lean White Belt to Yellow Belt: A more advanced course where you apply Lean principles at a deeper level.
  • Upgrade from Lean Yellow Belt to Orange Belt: This course prepares you to lead and manage more complex Lean projects.
  • Upgrade from Lean Orange Belt to Lean Green Belt: In this training, you develop advanced skills to manage large Lean projects and programmes.
  • Upgrade from Lean Green Belt to Lean Black Belt: This expert-level training helps you develop the skills to make strategic decisions and lead full organisational transformations.

Bonus included:
Alongside the upgrade paths, you’ll also receive certificates for each completed level, meaning you will earn the following Lean certificates:

  • Lean White Belt
  • Lean Yellow Belt
  • Lean Orange Belt
  • Lean Green Belt
  • Lean Black Belt

In total, you will earn five Lean certificates, giving you broad and recognised proof of your knowledge and skills in Lean management.

Anend Harkhoe
Lean Consultant & Trainer | MBA in Lean & Six Sigma | Founder of Dmaic.com & Lean.nl
With extensive experience in healthcare (hospitals, elderly care, mental health, GP practices), banking and insurance, manufacturing, the food industry, consulting, IT services, and government, Anend is eager to guide you into the world of Lean and Six Sigma. He believes in the power of people, action, and experimentation. At Dmaic.com and Lean.nl, everything revolves around practical knowledge and hands-on training. Lean is not just a theory—it’s a way of life that you need to experience. From Tokyo’s karaoke bars to Toyota’s lessons—Anend makes Lean tangible and applicable. Lean.nl organises inspiring training sessions and study trips to Lean companies in Japan, such as Toyota. Contact: info@dmaic.com

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