BERLIN, March 6 : Ceconomy said on Friday that it would propose Chief Financial Officer Remko Rijnders to replace Kai-Ulrich Deissner as the company's chief executive. The German electronics retailer said earlier on Friday that Deissner, who only took over as CEO last year, was stepping down for personal reasons. Deissner told Reuters in an interview that the supervisory board was set to meet on Thursday to discuss his succession. Deissner served as chief financial officer at Ceconomy since