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White belt (free!)
Yellow belt
Orange belt
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Affordable Lean packages
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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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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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Who is the Lean Black Belt course suitable for?

The Lean Black Belt training is ideal for anyone who, as a (prospective) project manager or manager, wants to solve problems systematically, lead improvement projects, and promote a culture of continuous improvement within their organizations. Even if you have not yet obtained a Lean Green Belt certificate, you can follow this training with us. This training also includes everything from the Green Belt. No specific prior education is required.

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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