Gwenaëlle Lefeuvre is Development Manager at Photonics Bretagne since 2022. She received her PhD in Experimental Particle Physics from Université Paris Cité (formerly Paris 7 Denis Diderot), worked as a research assistant in the USA and in the UK, before setting up a business unit in a British SME. She has extensive experience in setting up optical and radiation calibration systems, and in the manufacture of semiconductor-based sensors.