Open Source Six Sigma OSSS is a dedicated and focused Lean Six Sigma (LSS) publication & licensing company. Since its inception in 2007, OSSS has grown to become the industry’s #1 leading content provider and intellectual property licensor with more than 10,000 diverse retail, white label and enterprise customers. 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. It is our commitment to provide economically feasible, High-Quality Courseware to our customers. OSSS has commoditized LSS intellectual property licensing by making it available for anyone at economically feasible price points and under flexible, sensible licensing terms. OSSS has strictly maintained its position as a content publisher and licensor. OSSS does not provide direct training, consulting, mentoring or coaching in LSS.