The role of data management in organizational effectiveness is fundamental as it ensures the systematic collection, storage, and use of data to support informed decision-making. Effective data management facilitates data quality, integrity, and accessibility, which are vital for analytics, reporting, and compliance. By implementing structured data governance practices, organizations can leverage their datasets to identify trends, optimize operations, and enhance the customer experience. Ultimately, strong data management fosters a culture of data-driven decision-making, improving overall organizational performance and competitiveness.