Guillaume Poiret holds a PhD in geography and urban planning, as well as the Agrégation teaching qualification in geography. His thesis was on the subject of how Toronto has adapted to globalisation. He currently teaches at the École Normale Supérieure – Rue d’Ulm (ENS-Ulm) and is a member of the mixed research unit “Espaces, Nature et Culture” (“Spaces, Nature and Culture”; UMR 8185, CNRS) at the Université Paris‑4 Sorbonne.