Elie Tassel received a Doctoral Mobility grant from Alliance Program for Call 2019. He is a doctoral student at Université Paris 1 Panthéon-Sorbonne with the Comparative Law Department. He is also part of the International and European Law Institute of La Sorbonne. He has taught constitutional law and fundamental rights at the University of Paris.

His Doctoral Mobility research stay at Columbia Law School came to a conclusion in December 2021.