Lean is a proficiency, originally established from the Toyota Production System, that refers to the application of certain Lean practices, principles, and tools typically used to reduce waste and improve process efficiencies. IASSC Lean is applicable across all Lean Environments including; Lean Manufacturing, Lean Production, Lean Office, Lean IT and Lean Development. There are three primary Lean skill-based competency roles; Lean Experts, also referred to as a Lean Black Belt, Lean Gold or Lean Master. Lean Leaders, also referred to as Lean Green Belts or Lean Silver and Lean Practitioners, also referred to as Lean Yellow Belts or Lean Bronze.

Professional Lean Six Sigma Credentialing. IASSC provides a unbiased independent third-party validation of Lean knowledge through our globally recognized Lean Expert, Lean Leader and Lean Practitioner Certification exams. Arrange for your IASSC Certification Exams now through our On-Demand Web-Based Testing System or in one of our testing centers anywhere in the world.

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