Koen Groeneveld

Koen Groeneveld is a Dutch electronic record producer and DJ from Rotterdam, South Holland. He operates under several aliases including DJ BoozyWoozy, Sumic, and Johnny Crockett, and has been producing electronic music since the early 1990s. Groeneveld is the founder and owner of Neokraft Records, and has collaborated extensively with long-term musical partner Addy van der Zwan on over 30 international crossover hits. His notable projects include Klubbheads, Hi_Tack, DJ Disco, and Drunkenmunky. Since 2009, he has released 44 tracks across various electronic music platforms.

Groeneveld's sound spans multiple genres including peak time and driving techno, tech house, melodic house and techno, and traditional house music. His releases appear on labels including Abzolut, Neokraft, Abzolut (Spinnin), and Renesanz. His production style ranges from high-energy peak time techno designed for main room dancefloors to more melodic house compositions. Over his career spanning from 2009 to 2025, Groeneveld has maintained consistent output while adapting his sound to current electronic music trends, with his most recent releases continuing to blend driving techno elements with melodic house sensibilities.