Her primary interest is South Asian protohistory, specifically the Bronze Age in the Indo-Iranian Borderlands (3000 BCE) and the Indus Valley Civilization.
[4] Didier attended Paris 1 Panthéon-Sorbonne University for her master's degree, during which she focused on the Indus Valley Civilization, and her PhD in archaeology, during which she specialized in pottery.
[5] In 2000, Didier began working in Pakistan as part of the Pakistan-French Archaeological Mission in Makran.
[4] In 2012, Didier began working at the French National Center for Scientific Research (CNRS) as the head of the Indus-Balochistan program.
[5] That same year, she received a grant from the Shelby White and Leon Levy Program for Archaeological Publications at Harvard University.