Mostafa Dadkhah Student (Ph.D.), GERAD share Polytechnique Montréal mostafa.dadkhah@polymtl.ca Other titles and affiliations since Nov 2022 Doctoral students' representative, GERAD Education since Sep 2021 Ph.D. Jumeaux numériques pour les mines souterraines Polytechnique Montréal – Department of Mathematics and Industrial Engineering, Jean-Marc Frayet, co-director, Michel Gamache, co-director