Sonia Freddi received her Master’s degree in Physics cum laude from Università Cattolica del Sacro Cuore (Italy) in 2016, and then she won a one-year pre-doctoral fellowship at the University of Rome Tor Vergata (Italy). She was an International PhD student in Science at Università Cattolica del Sacro Cuore (Italy) and KU Leuven (Belgium) from 2018 to 2022. Currently, she is a Postdoctoral researcher at IFN-CNR in Milan and a teacher assistant and research collaborator at Università Cattolica del Sacro Cuore (Italy). Her expertise is mainly related to gas sensors and electronic noses development and testing, for breath analysis and environmental monitoring. She is author of about 20 scientific publications, and she serves as a referee for several scientific journals (Nature, MDPI, IOP, ACS, and RSC).