What Is the IASSC Lean Six Sigma Green Belt Certification?Your Route into Process Excellence
The Lean Six Sigma Green Belt (LSSGB) is an intermediate process improvement credential that validates your ability to lead and support data-driven improvement projects using the DMAIC method. Awarded against the IASSC Lean Six Sigma Green Belt Body of Knowledge, it proves practical command of Define, Measure, Analyse, Improve and Control across real business processes. In Bucharest, Lean Six Sigma Green Belt certification training meets a clear market need, where automotive plants, global shared services centres, banks and BPO operations compete on operational efficiency. Employers value professionals who can cut defects, reduce cycle time and remove waste with measurable, repeatable results. This training suits quality analysts, operations and manufacturing professionals, and anyone advancing from Yellow Belt level. You gain the statistical tools, Lean techniques and exam readiness to earn the credential and start your LSSGB journey with Invensis Learning.
Invensis Learning is an accredited IASSC (Peoplecert) training partner in Bucharest (2778), approved to deliver official LSSGB training using IASSC-aligned courseware.









