Jacek Sienkiewicz is a Polish electronic music producer who has been active in the music scene since the late 1990s. He has released music on various record labels and is known for his experimental and avant-garde approach to electronic music. Sienkiewicz has collaborated with other musicians and artists, performed at festivals and clubs around the world, and is regarded as a prominent figure in the Polish electronic music scene. His style combines elements of techno, ambient, and minimalism to create atmospheric and immersive soundscapes.