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The most dangerous Waste is the one you don’t see. It puts a strain on the organization’s resources. The most prevalent in non-manufacturing that I’ve seen is: Waiting and Extra-Processing.

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.