Graduated in pharmacy and specialised in toxicology, Mathilde Colas joined the European Food Safety Authority (EFSA) in 2019 as a trainee in the Mammalian Toxicology team. From 2021 to 2025, she served as Scientific Coordinator in the Pesticide Peer Review Unit (PREV), and since 2025, she has been working in its Mammalian Toxicity team.