What is a Professional Scrum Master?
Professional Scrum Masters demonstrate knowledge and understanding of Scrum and their ability to apply it in real-world situations. The value of certification is intimately tied to the demonstration of knowledge needed to achieve it. By that measure, the PSM assessments are significantly more valuable than available alternatives for Scrum. And, Scrum.org strive to ensure that they remain valuable and relevant through frequent inspection and adaptation of the assessment content. ...Read more on Scrum.org