According to the Data Roles and Responsibilities article, the business owner is the person who has authority over the business process that is supported by the data. The business owner is responsible for defining the access roles to protect the sensitive data within the application, as well as approving the access requests and ensuring the compliance with the data policies andstandards. The business owner may delegate this responsibility to a data steward, who is a person who acts on behalf of the business owner to manage the data quality, security, and usage. Therefore, the answer is D. Business owner. References = Data Roles and Responsibilities