• lean is not an acronym.  It is a descriptor indicating the philosophy of doing less and getting more.

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• it was popularized by the toyota production system.

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• Lean is heavily used throughout manufacturing and computer programming (agile and scrum are adaptations of lean).  military, medicine, construction and service industries are implementing lean.

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• Lean is a mindset or approach that creates a reflective culture.  The question, "does this add value?" naturally unearths waste and refines processes.

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• value is:

  • anything a customer will pay for

  • something that changes the product as it is being made

  • an operation that is done right the first time

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• In education the:

  • customer is the student

  • the product is student learning 

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• Edward Deming and Taiichi Ohno were the original masterminds behind the Toyota Production System (Lean) success