Stefan Baron speaks during the presentation of his biography book of former Deutsche Bank Chief Executive Josef Ackermann "Late Remorse" (Spaete Reue) in Berlin, September 12, 2013. Former Deutsche Bank Chief Executive Josef Ackermann said he would step down from the supervisory board of German engineering conglomerate Siemens, where he is second deputy chairman. Stefan Baron used to work as Ackermann's chief of communication. REUTERS/Thomas Peter (GERMANY - Tags: MEDIA)