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Muda is the Japanese term for “waste” which refers to anything in a process that does not add value from the customer’s perspective. The 8 Wastes are a comprehensive list of the most commonly found wastes in a process.

For a better understanding of Muda and an overview of Lean Six Sigma, check out our Free Lean Six Sigma Yellow Belt Training, Green Belt Training or Lean Training.

Tracy O'Rourke

Tracy is a Managing Partner & Executive Advisor at She is also a Lean Six Sigma Green Belt Instructor at University of California San Diego and teaches in San Diego State University’s Lean Enterprise Program. For almost 20 years, she has helped leading organizations like Washington State, Charles Schwab and GE build problem-solving muscles.