Sieri is Japanese word for “Sort” which is the first step in the 5S method. The goal is to remove unnecessary items from the workplace and keep only what’s needed in the appropriate quantities.

For a better understanding of Seiri 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 For almost 20 years, she's helped leading organizations like Washington State, Cisco and GE build problem-solving muscles with Lean Six Sigma to achieve their goals.