Two fully funded PhD positions are available at Delft University of Technology (TU Delft) in the field of Systems & Control, Game Theory, and Optimization, supervised by Associate Professor Sergio Grammatico. The research areas include data-driven robust game theory, dynamic game theory for constrained systems, robust optimization, machine learning, variational inequality theory, system theory, model predictive control, and data-driven control. The positions offer a collaborative international research environment, strong mentorship, and opportunities to publish in top journals and conferences. Applicants should have or be near completion of an MSc in Systems & Control, Applied Mathematics, Electrical or Mechanical Engineering, Computer Science, or related fields, with strong analytical and mathematical skills and motivation for rigorous, theory-driven research. The positions are fully funded for four years, covering tuition and providing a stipend. Application materials include a CV, academic transcripts, a short research statement, and contact details of referees. For full details and application instructions, visit the provided link.