A professional responsible for ensuring the quality, integrity, security, and effective management of data assets within an organization or community of interest (Data Domain). Acting as a custodian of data, the Data Steward oversees its lifecycle, ensuring compliance with legal and policy requirements and adherence to governance and security standards. They are accountable for defining and maintaining metadata, improving data quality, resolving data-related issues, and ensuring that datasets are governed and utilized effectively while enabling secure and compliant data sharing.