Willem Claesen is a wide-ranging Belgian composer working across theatre, advertising and film, known for blending orchestral and electronic elements with a strong narrative focus. His work spans from immersive music for theatrical spectacles with Fabrique Fantastique  to commercial compositions for brands like ALDI, Louis Vuitton and De Slimste Mens Ter Wereld. Beyond commissioned projects, his solo work includes Goudzoeker, a hardware-driven synth project infused with nostalgic textures, and an intimate solo piano released under his own name, exploring expressive and cinematic melodies.