Jef is a French voice talent and actor. He graduated from the T. Balachova Acting School in Paris and attended workshops with Jack Farfein in Paris and Berlin. As a performer, he appeared in films such as "Carlos – The Jackal," "Romy," and "Fay Grim." As a native voice artist, he works in advertising, image films, voice overs, documentaries, audio guides, e-learning, and audiobooks.