The Product Owner Role

Represents the voice of the customer and stakeholders to the team.

 Product Owner Responsible for:

1. Defining features for the product as user-centric and value adding user-stories and prioritizing them.
2. The release date and content of the product.
3. Manages ROI and makes sure to deliver business benefits
4. provides boundaries to describe the realities within which the vision must be realised
5. Responsible for that the team builds the right product
6. Responsible for that budget constraints are met

Product Owner Accountable for:

1.  Managing the product backlog.
2.  The value delivered by the product. Accepts or rejects work results.
3.  Ensuring that the team delivers value at the end of every Sprint.
4. Consulted by the team, and counsels them, at all times for successful delivery of value.
5. Owner of the product backlog.

The product owner is commonly a lead user of the system or someone from marketing, product management, or anyone with a solid understanding of users, the market place, the competition, and of future trends for the domain or type of system being developed. This of course varies tremendously based on whether the team is developing commercial software, software for internal use, hardware, or some other type of product. The key is the person in this role needs to have a vision for what is to be built.

As a Product Owner on Real time Project

1. Provide a vision for the product and communicate the project vision to the team
2. Motivate the team to subscribe to the product vision
3. Communicate the business benefits of the entire product and each individual feature
4. Prioritise the product backlog
5. Define release and sprint goals
6. Continuously answer questions to add detail to requirements
7. Accept/reject developed user stories at the end of the sprint (or during the sprint)
8. Communicate about the project within the organisation (e.g. demo attendance and invites, forecasting, management reporting)
9. Create and maintain the product backlog     

Note:(The product owner can delegate some of the work of writing user stories to a BA but the Product Owner is still responsible that the work is being done and is being done properly)