Final answer:
The Scrum Product Owner is responsible for maintaining the Scrum Product Backlog, ensuring it is clear, visible, and prioritized to maximize the product's value.
Step-by-step explanation:
The individual responsible for maintaining the Scrum Product Backlog is the Scrum Product Owner. The Scrum Product Owner is tasked with maximizing the value of the product and the work of the Scrum Team. They are solely responsible for managing the Product Backlog, which includes clearly expressing Product Backlog items, ordering the items to best achieve goals and missions, and ensuring that the Product Backlog is visible, transparent, and clear to all. It is worth noting that while the Product Owner has the authority over the Product Backlog, they do collaborate with other stakeholders and the Scrum Team to refine and adjust it as needed. However, the final accountability rests with the Product Owner.