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Unfortunately, we do not entirely accept Lean Six Sigma Green Belts from other organizations. However, you have the opportunity to test out of our Lean Six Sigma Green Belt Training by taking our exam for $299. You will have 3 attempts to pass the exam. Once you pass, you may move on and register for the Lean Six Sigma Black Belt Training & Certification.

Tracy O'Rourke

Tracy is a Managing Partner & Executive Advisor 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.
  • M

    Hi, Why external certificates are not fully accepted?

  • Tracy ORourke

    Hello M, All certifications are not created equal, and we want to set our learners up for success, so we only accept certificates from other globally recognized Lean Six Sigma providers. You can also “test-out” by taking the exam and a passing rate will allow you to move forward.