For 2 years, Gentille works in an advertising agency, before creating the establishment WORLD FILMS. She realizes, in 2009, her first documentary film ''Itchombi'' produced by Ardèche images production. The same year she produced and directed the short film ''Bidenam, l'espoir d'un village'' realized with the support of the Goethe Institute in Johannesburg. She is currently preparing her next documentary.
- Bidenam, l'espoir d'un village, 2009
- Itchombi, 2008