Holder of a Master 2 in directing and research at the University of Paris 8 Saint-Denis, Justine began her artistic work around creative documentaries on intimacy and the family.
In 2018, Justine directed her first short film, "My American father" (documentary, 38 min), a film about her father's absence shot in the United States which will have its world premiere at Doclisboa in 2019.
Her 2nd short film, “Chant at Duck,” had its world premiere in May 2020 in Scotland at Hawick for the Alchemy film and moving image festival.