A Product Owner is a key role in agile project management, particularly within the Scrum framework. They are responsible for defining the vision of a product and prioritizing the features that will deliver the most value to users. This involves creating and managing the product backlog, which is a list of tasks and requirements needed to develop the product. The Product Owner collaborates closely with the development team and stakeholders to ensure that everyone understands the product goals. They gather feedback, make decisions on feature priorities, and help guide the team throughout the development process to ensure the final product meets user needs and expectations.