She is a professor of contemporary history at the University of Geneva, Switzerland, and director of the Institute of Gender Studies at the Faculty of Social Sciences.

She is a member of the "Genre, Travail, Mobilités" (GTM) (English: Gender, Work, Mobilities) Laboratory of "Centre de recherches sociologiques et politiques de Paris" (CRESPPA) (English: Paris Center for Sociological and Political Research).

In the same year,[3] Gardey was appointed full professor of contemporary history at the University of Geneva,[4][5] as well as director of the master's and doctorate in gender studies.

[8][9] Gardey is interested in the way in which cognitive and material innovations were at the origin at the end of the 19th century of an "administrative revolution".

According to Françoise Thébaud, Gardey has developed elements that contribute to the recognition of studies on women and gender.