(Also, looks like his name is spelled with a K and not a c: Markus).
UPDATE FROM BERTELSMANN CORPORATE:
Hartmut Ostrowski, Chairman and CEO of Bertelsmann AG, announced today that Peter Olson, 58, will step down at his own initiative from his positions as Chairman and Chief Executive Officer of Random House and as a member of the Executive Board of Bertelsmann AG, effective May 31. Olson will pursue an academic career. Markus Dohle, 39, will become the new Chairman and CEO of Random House. He was appointed by the Supervisory Board of Bertelsmann AG and will succeed Mr. Olson on the Bertelsmann Executive Board as of June 1. Mr. Dohle is presently member of the Arvato AG Executive Board and CEO of Arvato Print. Dohle’s successor at Arvato will be announced shortly. The Direct Group North America reporting line will shift from Peter Olson to Bertelsmann’s Chief Financial Officer Thomas Rabe.In addition to the above announcement, Ostrowski also announced that
Richard Sarnoff, President of Bertelsmann Digital Media Investments and a member of the Supervisory Board of Bertelsmann AG, will take on the additional role of Co-Chairman of Bertelsmann, Inc., reporting to Bertelsmann CFO Thomas Rabe, effective immediately. In this new position, Mr. Sarnoff will play a key role in Bertelsmann's strategic and corporate development activities in the US, where he will work in close cooperation with executives from the divisions and the Corporate Center. Hartmut Ostrowski stated: “The US market is the world's largest and most dynamic in media as well as services, and as Bertelsmann both refines and expands our portfolio of activities in the US, we are fortunate to have an executive of Richard Sarnoff's caliber, profile, expertise, and background to take on the Co-Chairman role at Bertelsmann, Inc.”