• A set of techniques and tools for process improvements.
  • It aims to reduce the time, defects and variability experienced by processes in an organisation.
  • Two diff methodologies:
    • DMAIC - Define, Measure, Analyze, Improve and Control.
    • DMADV - Define, Measure, Analyze, Design and Verify.
  • It improves customer loyalty and employee morale.
  • It almost produces defect free products.