Gruner+ Jahr

  1. Sony Music CEO Invests In Start-Up Fund

    May 20, 2010 12:00 AM EDT Rolf Schmidt-Holtz, CEO of Sony Music Entertainment in New York, is one of four investors of the newly founded company Hanse Ventures based in Hamburg. His partners are Dr. Bernd Kundrun, former CEO of the publishing company Gruner+ Jahr, Jochen M ...