Physicist in Laboratoire Kastler-Brossel at Ecole Normale Supérieure in Paris, now Research Director emeritus at CNRS. She developed optical pumping of helium and new infrared lasers, which she also applied to lung imaging with hyperpolarized gases as well as to polarized targets for neutron reactors. In the 90s she joined the cold atom group lead by Claude Cohen Tannoudji. All along her carrier she occupied several offices in research management. She was president of the French Physical Society for 3 years (2007-2010). For the last 10 years she has been the director of IFRAF (Institute for Cold Atoms in the Paris area). Currently she is responsible for the dissemination of the results of the SIRTEC (Quantum Technologies) research network. She is chief editor of the book series “Savoirs Actuels” for CNRS and “Introduction à” for EDP-Sciences, and chief editor of Raison Présente, the review of Union Rationaliste. She has been the President of the Ethical Committee of CNRS (COMETS) from 2011 to 2016, where she is still an active member. Since 2017 she is a member of the CIS (Council for Integrity in Science) at the national level in France.