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Our Clients

Six Sigma & Lean Merits supports clients across a wide variety of industries, including banking, public sector, insurance, healthcare, electronics, storage, software, publishing, sports apparel and hotel management.

In the past years, we have worked across all European countries, the U.S.A., Canada, Russia, Japan and Australia. Our clients include multinationals, local business units and small and medium enterprises, such as:

  • ING Bank
  • Dutch Central Bank (DNB)
  • Vopak
  • Xerox
  • Nike
  • UMC St. Radboud Hospital
  • Diebold
  • Swets
  • Starwood Hotels
  • Getronics
  • Philips
  • Swiss Life
  • Wolters Kluwer
  • Rotterdam School of Management (RSM)

What clients say about Six Sigma & Lean Merits:

“Six Sigma & Lean Merits was hired to coach & train our 10 international business units: process optimization, process reengineering/-innovation, Lean & Six Sigma-methodologies. Evaluations by all business units were unanimous about the outstanding performance as well as the ability to adapt to local cultures & organizational characteristics. Company results after implementation provide clear evidence. Highly recommended.”
Martin Vonk – Global COO/CIO ING Direct

“I worked with Six Sigma & Lean Merits at Swets and ING. At Swets I hired Merel Ritsma to train Green and Black Belts. I loved working with her. I highly appreciate the experience and the examples she brings in. By doing that, she makes Lean Six Sigma a hands-on tool and easy to understand. The training program is very well balanced; theory, workshops and exercises are varied. It’s a joyful, learningful and energizing experience. Next to her training skills, I would highly recommend Merel for her facilitation skills, which makes it possible to tackle difficult business issues is difficult situations.”
Remco Mulder – Swets Lean Six Sigma Leader


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