Professor Philippe Sansonetti is professor and head of the Unité de Pathogénie Microbienne Moléculaire at the Pasteur Institute of Paris and chair of Microbiology and Infectious Diseases at the Collège de France. Professor Sansonetti qualified in medicine from the University of Paris in 1979. Following clinical work in France, he established his research career in cellular microbiology and the pathogenesis of enteric infections, particularly Shigella. He is the recipient of numerous honours and awards for his research, including the Louis Jeantet Prize and a Howard Hughes Medical Institute Scholar. Professor Sansonetti was a member and chair of the WHO Steering Committee for Enteric Vaccine Development and has chaired several technical advisory boards in France.