Garance studied at Lycée Henri IV (European section) and is fluent in French, German, and English. She trained in theatre for six years at Cours Florent and spent six months in Germany on exchange. Garance completed internships at IHEMI (economic intelligence) and Consors Intelligence. She has engaged with NGOs focused on human rights, the topic of her Bachelor’s thesis. Additionally, she interned at the DRPJ, gaining experience with an Anti-Crime Brigade and a fire station, and worked in logistics at La Grande Épicerie Générale de Nancy.