Hugo Roussille is an accomplished academic with a focus on theoretical and mathematical physics, currently serving as an Agrégé préparateur at École normale supérieure de Lyon and as an interrogateur en CPGE at Lycée du Parc. Roussille's research centers on black holes and modified gravity theories. As an author for De Boeck Supérieur, Hugo has contributed to a course manual for agrégation preparation, with the first volume published in June 2023. Previously, Roussille pursued a doctoral thesis at APC (AstroParticule et Cosmologie) on perturbations of black holes in modified gravity theories and completed research stages at renowned institutions including Observatoire de Paris and Perimeter Institute. Roussille's educational background includes a Doctorate and multiple degrees from prestigious French institutions, emphasizing a strong foundation in physics.