Data Governance is an essential part of an overall Corporate Governance strategy as an equal sub-discipline alongside IT Governance. The goal of Data Governance is to govern and manage data and information by organizing the proper usage of data and defining the responsibilities for data and respective data quality. This paper discusses a practical realization approach of a Data Governance strategy within a financial institution's Chief Financial Officer (CFO) organization and outlines the impact on organizational structures as well as current topics to be addressed by Data Governance.