Matthieu began his career in the marketing field for Warner Bros and Paramount Pictures before transitioning to AI as a means of creative expression and personal catharsis. His journey with AI, focused on storytelling and exploring his emotions, quickly gained attention for its photorealistic quality, leading to pioneering work in AI videos for the fashion industry, including features in Vogue. Grambert has exhibited his work multiple times in Milan, as well as in Switzerland, Hungary, and Shanghai. His approach emphasizes precise art direction and quality over quantity, ensuring each piece feels authentically his, blending grounded, believable narratives with surrealism and poetry, influenced by his background in fashion and cinema.