Since 2011, Peltier has worked as a project leader[3] at Be-Pax, the French-speaking section of Pax Christi, on intercultural issues, organising discussion groups[4] — notably on the Syrian Civil War and on the Middle East[5]— and had published articles on the internal journal of the association. As a specialist of Syria, she had moved to studying conspiracy theories and their effect on Syrian issues.[6]