Sietse de Krieger is a Dutch electronic music producer and DJ known for his dark and atmospheric techno tracks. With a background in classical music, he brings a unique blend of organic and synthetic elements to his productions. His music has been released on labels such as Perc Trax, Mord, and his own imprint, Delsin Records.

De Krieger's tracks often explore themes of tension and release, with driving rhythms and hypnotic melodies that create a sense of urgency and unease. He has collaborated with artists such as Ben Klock, Marcel Dettmann, and Rebekah, and his music has been featured in numerous DJ sets and compilations.