. "1957" . "Klaus-Christian Kleinfeld" . . . . . . "Klaus Kleinfeld" . . . . . . "Klaus Kleinfeld" . . "Klaus Kleinfeld (CEO Alcoa Inc.; former Chairman of the Executive Board, Siemens AG)" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .