She is a professor of Behavioural Science at the Ecole Normale Supérieure[2] and a senior researcher at Inserm, where she leads the team Evolution and Social Cognition.
[3] Chevallier is also the vice-president for educational programs at the PSL University.
[4] In this role, Chevallier created an interdisciplinary undergraduate program called "science for a sustainable world".
[5] She is a member of the scientific council of Institut national du service public.
In 2022, Chevallier received the Ordre National du Mérite.