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No not necessarily, although it is recommended! It’s always nice to have an overview of problem-solving. But if you are more focused on A3, you can always take the A3 Training Single Module if you’d like!

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.