The data architect is responsible for the overall:

The responsibility of the data architect primarily revolves around defining and managing the data structure within the organization. This role focuses on ensuring that the organization's data architecture aligns with business strategies and needs, which includes designing data models, establishing data standards, and ensuring that data is structured in a way that facilitates its utilization across different systems.

A well-architected data structure is critical for the efficient retrieval and management of data, which also supports consistency and data integrity throughout the organization. By maintaining a clear and coherent data structure, the data architect plays a pivotal role in enabling data integration, fostering interoperability between systems, and ensuring that data can effectively support business objectives.

While other roles may touch on business requirements, procedures, and governance, the distinctive focus of the data architect is predominantly on how data is organized, stored, and accessed—thus their primary responsibility is directly linked to the data structure within the organization.