Founded in 1997, ISSSP is the oldest professional organization dedicated to Lean Six Sigma. Our members are united by one mission: to advance the practice of Lean Six Sigma and promote its education and advocacy. ISSSP, as a non-profit organization, is committed to the growth and development of professionals in the process excellence community, and setting the global standard for Lean Six Sigma, teaching practices, and certification requirements. We are driven to be the leading resource for awareness and the most credible source of information regarding the practice of Lean Six Sigma and its integration with other change management and process improvement practices.