NORWALK, Conn., Sept. 25, 2019 /PRNewswire/ -- Radeberger Gruppe USA, an ambassador of German beer culture in the United States and an importer of German beer from the leading German brewing group in the world (Radeberger Gruppe), today announced that its flagship beer, Radeberger Pilsner, is the exclusive beer sponsor of the 57th and 58th New York Film Festivals (NYFF).