After he graduated from the ESAV film school in Toulouse with a Master in History and Cinema, Geoffroy Cernaix joined the IAD in the editing section from which he graduated in 2008. He joined the Atelier Cinéma – Gsara as an editor in 2009. In 2014, he founded in parallel Tândor Productions with Rosine Mbakam and Sahbi Kraiem. He works there as an editor and producer.