Jochen van der Steijn, better known by his stage name, Jochen Miller, is a trance musician and DJ from Langenboom in the province of North Brabant in southern Netherlands .

He started his career under the alias "DJ Jochen"; changing to his current name in 2003. He began his career at 16, practicing his mixing skills at a disco owned by his father, where he went on to become a resident DJ. Two years later, at the age of 18, he had a residency at Zino's dance club in Tilburg, NL. In 1999, he won the Dutch Mixing Championships at Dance Valley, where he gained attention for spinning three turntables. In 2001, he became the first resident DJ at The Matrixx club, in Nijmegen, Netherlands. He has since gone on to play at various clubs and events throughout the Netherlands and following burgeoning popularity, globally as well. In 2008, his single "Lost Connection" was featured on Armin van Buuren's popular annual compilation mix album, A State of Trance 2008, thus propelling him to international recognition. In 2010, he signed to David Lewis Productions DJ Agency and in 2011 wrote the song "Rotunda" with Markus Schulz. which was debuted At Armin van Buuren's A State Of Trance 500, which was being held in Buenos Aires at the time.