David Klatzmann, MD, PhD is a world-renowned immunologist who contributed to the discovery of HIV (human immunodeficiency virus), revealing its preferential tropism and cytopathic effect- the first indication that HIV is the cause of AIDS. David is Professor of Immunology at the Sorbonne University. He also holds several roles at both the Pierre and Marie Curie Medical School and Pitié-Salpêtrière Hospital in Paris, including as Chief of Biotherapy, Coordinator of the Clinical Investigation Center for Biotherapy and Immunology. With a current focus on translational system immunology, David brings a wealth of expertise and knowledge on T cell-based therapies in cancer and auto-immune diseases.