After studying Political Science, Armel Hostiou studied cinema at La Fémis film school in Paris in the camera department. His graduation film SoLoS, that he directed, has travelled and won several awards nationally and internationally. He has since dedicated himself to directing, first of short films but also installations and music videos. His first feature film Rives premiered in ACID Cannes and was distributed in France in 2012. His second feature, shot in New York, Une Histoire Américaine, premiered at Lincoln Center in New York at RDV with French Cinema and was distributed in France in 2015. His first documentary La Pyramide Invisible premiered at Cinema du Réel in 2019. His last feature The Other Profile premiered at the main competition of CPH:DOX and will be released in theatres in France by Météore Films in June 2023. He is also working on a script for his next fiction feature film.