Our Take: Scrum.org’s Professional Scrum Master I certification has become a cornerstone credential for project management professionals seeking to formalize their agile expertise. Issued by the organization that pioneered the Scrum framework, the PSM I attracts career-focused practitioners who recognize agile methodologies as essential in modern software development and cross-functional teams. The certification demonstrates tangible market value, with approximately 83 active U.S. job postings currently requiring or preferring PSM I credentials and certified holders commanding an average salary of $121,000. At $200 for the exam with no expiration date on the certification itself, the credential offers strong return on investment for professionals committed to long-term advancement without recurring renewal fees. For those navigating the project management landscape, the PSM I represents both validation of practical scrum knowledge and a competitive edge in recruiting environments.