As a Project officer, Jeanne supports ACATs in the field in their projects to combat abusive pretrial detention and advocate for the abolition of the death penalty.

Previously, Jeanne participated in the organization of the first World Congress on Enforced Disappearances; advised the Chair of the United Nations Subcommittee on Prevention of Torture in her advocacy and technical assistance activities; and held various positions at the intersection of research, advocacy, communications, and operations within international human rights NGOs such as Penal Reform International and ECPM (Together Against the Death Penalty). 

Jeanne holds a Master's degree in international cooperation from Sciences Po Bordeaux, France; as well as a Master's degree in political and social research from the University of Stuttgart, Germany.