Anne-Marie DELORT is Director of research at the CNRS and head of the Institute of Chemistry of Clermont-Ferrand. In addition to a general background in chemistry and molecular biology, Anne-Marie Delort’s expertise covers Microbiology and NMR spectroscopy (metabolic NMR and metabolomics). She specifically studies microbial metabolism in relation with the environment. She has been a pioneer in studying the microbial population in clouds. Recent studies concern the role of microorganisms in atmospheric chemistry and microphysics.