For drug product scientists and formulators, the ultimate measure of success lies not just in developing a stable formulation, but in ensuring that a drug product consistently delivers its intended therapeutic effect. In this keynote, Mansoor Khan will explore how a deeper scientific understanding of drug product quality—through critical quality attributes (CQAs), advanced analytical characterization, and mechanistic insights into formulation–process–performance relationships—can be leveraged to engineer medicines that perform reliably in patients. The session will highlight emerging strategies that integrate formulation science, materials characterization, and predictive modeling to strengthen product robustness, enhance bioavailability, and reduce variability. By connecting drug product design with real-world therapeutic performance, this keynote will provide a forward-looking perspective on how product quality research can drive the next generation of high-performing pharmaceutical products.