After her Abi-Bac, Léa entered the Franco-German degree "Angewandte Politikwissenschaften", where she alternates each year between the Albert-Ludwigs-Universität Freiburg and Sciences Po Aix-en-Provence. The fifth semester being reserved for different internships, Léa first worked at the German Embassy in Pretoria, South Africa, then did an internship at the Friedrich Ebert Foundation in Abidjan, Côte d'Ivoire. Among other things, she wrote a comparative study on the theme of citizen movements.