Odile Stéphan is a Professor of physics at University Paris-Sud and an honorary member of the Institut Universitaire de France. She is currently leading the STEM group at the Orsay Solid State Physics Laboratory. Her research interests span from growth mechanisms to optical and electronic properties of various nanostructures and nanomaterials. She focuses on the development and the use of Electron Energy-Loss Spectroscopy in a Transmission Electron Microscope and derived innovative spectroscopy techniques to probe at the nanometer scale the structural electronic and optical properties of original nanostructures like nanotubes and related nanostructures, nanophotonics objects, molecular magnets and to explore new physics phenomena at low dimensions (plasmon coupling, electron magnetic field confinement and exaltation). She has been awarded the Ancel Price of the Physical French Society in 2012 for her achievements in condensed matter physics.