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The OSSS Products have been utilized for over a decade to deliver Master Black Belt, Black Belt, Green Belt and Yellow Belt, Executive, Champion and Team Members training to thousands of candidates in multiple industries within various disciplines and have contributed a significant bottom-line financial impact for many organizations. For more information about the background of our materials and the OSSS project check out the OSSS Blog entry, Project Background.

Our Mission: OSSS was established to provide materials and knowledge assets to the Business Improvement community. OSSS exists to serve as a center which promotes the use of process improvement for the purpose of education and knowledge sharing. Therefore it is our commitment to provide economically feasible, High-Quality assets to the community and expand the footprint of Lean Six Sigma in our world today.



OSSS is not, nor is affiliated with any, consulting company(s), therefore we do not provide fee based mentoring, coaching, training or consulting services related to the application and implementation of Lean Six Sigma. OSSS exists as a vehicle to promote Process Improvement Methods, raise the general knowledge level regarding process improvement and disseminate open source training materials and intellectual property to the community in alignment with the OSSS Mission.


The International Association for Six Sigma Certification introduces Black Belt & Green Belt Universal Certification Testing
visit IASSC.org | OSSS Press Release
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