Billhardt will step down as chief executive and from his positions on the management and supervisory boards at the end of September in the aftermath of the AGM in June at which the result of elections for a new supervisory board were not announced as planned.
The 53-year-old German law graduate was appointed to the management board in 2004, and has been chief executive since July 2008, reponsible for strategy, investor relations, acquisitions, sales, personnel and legal affairs.
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