Joseph Earsom is an affiliated researcher at the UCLouvain, within the Institut de sciences politiques Louvain-Europe (ISPOLE). He is a member of the Centre for European Studies (Centre d'études européennes - CEE). In April 2023, he defended his dissertation entitled: "Connecting the dots? The European Union's diplomacy across the international regime complex on climate change" (supervised by Tom Delreux).
His research interests include EU climate policy, climate diplomacy, international negotiations, and regime complexity. He currently works as an assistant professor at the European School of Political and Social Sciences (ESPOL), part of the Catholic University of Lille.