A product backlog in Scrum is owned by

In the Scrum framework, the Product Owner is solely accountable for managing the Product Backlog. This responsibility includes:

• Defining and ordering: Clearly expressing Product Backlog items and ordering them to best achieve goals and missions.

• Optimizing value: Ensuring the value of the work the Scrum Team performs is maximized.

• Transparency: Ensuring that the Product Backlog is visible, transparent, and clear to all, and shows what the Scrum Team will work on next.