Mariss Ivars Georgs Jansons (14 January 1943), is a Latvian conductor. He was Associate Conductor of the Leningrad Philharmonic Orchestra. He also was music director of the Oslo Philharmonic, with which he performed, recorded and toured extensively. He has worked as a guest conductor with the London Symphony Orchestra, and actually is the chief conductor of the Bavarian Radio Symphony Orchestra and of the Royal Concertgebouw Orchestra in Amsterdam.
a Japanese conductor, particularly noted for his interpretations of large-scale late Romantic works. He is most known for his work as music director of the Boston Symphony Orchestra and principal conductor of the Vienna State Opera.