Doctor of Engineering, Technology University Stuggart, Germany.
Assistant to top manager Bertelsmann AG, Gütersloh, Germany, 1968-1970, production manager Mohndruck unit, offset printing operation Germany, 1970-1972, technical manager Mohndruck unit Germany, 1972-1974, managing director Mohndruck unit Germany, 1974-1976, member executive board in charge corporation division for printing and manufacturing Germany, 1976-1981, dep chairman executive board Germany, 1981-1982, Chief Executive Officer, chairman executive board Germany, 1982-1998, chairman supervisory board Germany, 1998-1999. Chairman board Bertelsmann Foundation, 1999. Retired, 1999.
Executive board directors Bertelsmann Foundation, 1996-1999, chairman, Chief Executive Officer, since 1999.