Sjef van Leeuwen is a Dutch progressive trance/techno producer.

His compositions have hit the international Dance Charts more than once during the 90's. They have been released on several record labels throughout Europe on Compilation- Single CD's and Vinyl such as:

Renaissance (UK) - Red Bullet (NL) - Nanada (NL) - Outland Records (NL) - Cyber Records Leiden (NL) - Arcade (NL)