Professor of political sciences, Arnaud Le Gall works for the city of Paris from 2012 to 2022. Specialist of international affairs, he is with Marina Mesure the co-author of the internation program of La France Insoumise for the 2017 and 2022 presidential elections. In 2021, he becomes advisor for international affairs for the fraction of La France Insoumise in the French parliament.