This document discusses best practices for implementing a successful data quality initiative. It highlights common data quality challenges such as disparate data across systems and organizational silos. Successful initiatives establish clear metrics, involve a cross-functional team with executive support, develop data integration strategies, and select a comprehensive referential data source. The implementation process involves assembling a data quality team, defining key performance indicators, preparing the organization through communication and training, understanding current data processes, and integrating a referential data source to populate enterprise systems and ensure ongoing data integrity. Case studies from Lexmark, McGladrey, and Dow Corning are provided.