Former Deutsche Bank Chief Executive Josef Ackermann arrives for a book presentation in Berlin, September 12, 2013. Ackermann said he would step down from the supervisory board of German engineering conglomerate Siemens, where he is second deputy chairman. Ackermann and his former chief of communications Stefan Baron presented Ackermann's biography by Baron "Late Remorse" (Spaete Reue). REUTERS/Thomas Peter (GERMANY - Tags: BUSINESS MEDIA)