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One A3 per process issue or problem. This helps keep laser focused on the problem to be solved and the root causes. If we are trying to solve too many problems with one A3 we may not solve anything at all. Sometimes there is a parent A3 with child A3s that accompany the parent.

Learn how you can use this time-tested tool to help see the thinking behind the problem-solving by registering for our A3 Training & Certification Single Module today!

Tracy O'Rourke

Tracy is a Managing Partner at She is also a Lean Six Sigma Green Belt Instructor at UC 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.