What Is the Lean Six Sigma Yellow Belt Certification?Your Entry into Process Improvement
The Lean Six Sigma Yellow Belt (LSSYB) is an entry-level process improvement credential that validates foundational knowledge of the DMAIC method and basic Lean tools. Our Lean Six Sigma Yellow Belt certification training in Krakow prepares you to support improvement projects and pass the IASSC Yellow Belt exam. Awarded by the International Association for Six Sigma Certification (IASSC), the credential is globally recognised and structured around the five DMAIC phases: Define, Measure, Analyse, Improve and Control. You learn basic Six Sigma metrics, Lean tools such as 5S and Kanban, and how Yellow Belts support Green and Black Belt led teams. Delivered in live virtual and classroom formats, the training suits professionals across Krakow's business services, banking and manufacturing sectors. You also get IASSC-aligned courseware, practice questions and mock exams to move from learning to certification with a clear, supported path.
Invensis Learning is an accredited IASSC (Peoplecert) training partner in Krakow (2778), approved to deliver official LSSYB training using IASSC-aligned courseware.









