"I am an ISO 9001 auditor seeking for more knowledge in the field. Do you advise I go for Lean six sigma training considering the money involved. Will that help me grow in my search for more knowledge and professionalism in ISO 9001 auditing work.”
If you normally work with organizations that use and value Lean Six Sigma, owning that competence can make your CV more interesting for potential clients of your auditing services. Remember, auditing a quality management system is not only about the standard but also about internal practices and procedures.