Born in Lyon, France, in 1994. He studied classical music at the Lyon National Conservatory for ten years, before studying cinema at the Ecole Cantonale d’Art de Lausanne. Grappe directed the short films "Répétition" (2014) and "Suspendu" (2015), and was the casting director and acting coach for Blaise Harrison’s film, "Particles" (2019). "Olga" is his first feature film.