Born in
Düsseldorf, Küchler started his career as assistant to a
fashion photographer. When he supported his friend Jakob Claussen, who later became a
film producer, during the production of a study film, Küchler became interested in cinematography. From 1990 to 1994 Küchler studied cinematography at the
National Film and Television School. During his study he met
Lynne Ramsay and realized a few short films with her. In 1999 he made his feature film debut with Ramseys
Ratcatcher. ==Personal life==