Stephanie Escoffier currently works at the Centre de Physique des Particules de Marseille (CPPM), French National Centre for Scientific Research (CNRS) and Aix-Marseille University (AMU).
She is involved in large spectroscopic surveys of galaxies, most notably the eBOSS, DESI and Euclid surveys, with the aim of understanding the nature of dark energy. Her work focuses on galaxy distribution and cosmic voids.