What Is the Lean Six Sigma Yellow Belt Certification?Your Entry Point into Process Improvement
The Lean Six Sigma Yellow Belt (LSSYB) is an entry-level certification that validates foundational knowledge of process improvement across the full DMAIC method: Define, Measure, Analyse, Improve and Control. Governed by the International Association for Six Sigma Certification (IASSC), it is an independent, third-party recognition of your ability to support improvement projects and reduce waste. This training is built for professionals in Rotterdam who are new to operational excellence and want a recognised first credential. It suits team members, coordinators and supervisors across port and logistics operations, petrochemicals, manufacturing, healthcare and business services who contribute to projects led by Green and Black Belts. The IASSC Yellow Belt exam has no prerequisites, so anyone can sit it. With instructor-led preparation, you cover the core Lean tools and Six Sigma metrics the exam tests, then move from learning to certified with a clear, supported path through Invensis Learning.
Invensis Learning is an accredited IASSC (Peoplecert) training partner in Rotterdam (2778), approved to deliver official LSSYB training using IASSC-aligned courseware.









