Dutch conductor Jac van Steen (b.1956). He studied music theory, as well as orchestral and choral conducting, at the Brabants Conservatory of Music. In the Netherlands, van Steen was conductor and music director of the Nijmegen Bach Choir from 1986 to 1990. From 1989 to 1994, he was the Music Director of Het Nationale Ballet in Amsterdam. Since 1992, he has been on the faculty at the Royal Conservatory of music and dance in The Hague.
From 1997 to 2002, van Steen was Chief Conductor of the Nürnberger Symphoniker. He has also served as Music Director of the Neues Berliner Kammerorchester. From 2002 to 2005, he was Music Director of Deutsches Nationaltheater Weimar and Chief Conductor of the Staatskapelle Weimar. Van Steen was Chief Conductor of the Orchester Musikkollegium Winterthur from 2002 to 2008. Since 2005, he has been Principal Guest Conductor of the BBC National Orchestra of Wales. In 2008, van Steen became Generalmusikdirektor (General Music Director) of the Dortmunder Philharmoniker (Dortmund Philharmonic Orchestra).