Shaping Europe’s digital future, ethics play a decisive role in implementing the AI Act. Good Data Governance aims to achieve both, efficient data management and Responsible AI. Frank and Susanna present their federated model, where data stewards collaborate with so-called data domain owners and data scientists. Using their machine-learning-based salary-prediction tool as a case study, Frank and Susanna demonstrate how fairness can be embedded into applications, highlighting how they address challenges such as gender disparities.