Kerstin DoerenbruchWritingNo biography available.Known ForCool DownFan ClubNo Nerds have favorited Kerstin Doerenbruch yet — be the first.All fan clubsFrom NerdspinFilmographyUpcoming5—Cool DownFilm—Cool DownFilmWriter—Cool DownFilmExecutive Producer—Cool DownFilmCasting—Cool DownFilmNovel