After studying at La Fémis, Yanis Koussim made several short films, including "Houyya" (which won awards at Locarno and Amiens and was selected for the official program at Clermont-Ferrand) and "Hti". He then took part in the creation of the documentary "Summer in Algeria: Night", which premiered at the Palais de Tokyo, and co-wrote the screenplays for R.

Obermayer's films "I Still Hide to Smoke" and "El Zahia", the upcoming feature film by Adila Bendimerad and Damien Ounouri. He is the founder of Plateau19, a collective of filmmakers advocating for independent cinema in Algeria.