International Association for Six Sigma® Certificationon Adaptive.
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Associate
Lean Practitioner
The IASSC Certified Lean Practitioner (ICLP) exam validates foundational Lean concepts, workplace tools, quality problem‑solving, and management sustainment, enabling candidates to apply Lean principles across operations.
Lean Six Sigma Green Belt
The IASSC Certified Lean Six Sigma Green Belt (ICGB) exam equips candidates with practical competence across all five DMAIC phases, enabling them to lead data‑driven process improvement initiatives.
Professional
Lean Leader
The IASSC Certified Lean Leader (ICLL) program teaches Lean Foundations, Team Leadership, Process Optimization, Quality, Risk Management, and Management Systems, preparing professionals to evaluate and improve organizational performance.
Lean Six Sigma Black Belt
The IASSC Certified Lean Six Sigma Black Belt (ICBB) exam validates mastery of Define, Measure, Analyze, Improve, and Control phases, enabling professionals to lead data‑driven process improvement initiatives.
Lean Expert
The IASSC Certified Lean Expert (ICLE) program teaches enterprise‑wide Lean strategy, advanced process systems, quality, TPM, risk, and sustainable management, preparing professionals to design and lead high‑impact Lean initiatives.
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