From 1993 to 1997 , Gerd Langguth was acting chairman of the Konrad Adenauer Stiftung .
From 1988 to 1993 , he was head of the European Commission 's representation in Germany , in Bonn .
From 1993 to 1997 , head   was acting chairman of the Konrad Adenauer Stiftung .
From 1988 to 1993 , he was head of the European Commission 's representation in Germany , in Bonn .