Ricardo Grieshaber-Bouyer is an entrepreneurial physician-scientist and the Professor of Clinical Systems Immunology at FAU Erlangen-Nürnberg, where he also serves as Head of the Clinical Trial Unit. A pioneer in translational immunology, he is renowned for his clinical and translational work on CAR T cell therapy and the first-in-patient applications of T-cell engagers for autoimmune diseases – work that is currently reshaping the clinical development playbook.