After completing his secondary education in Arnsberg and serving as an ambulance driver in Munich, Kampwirth refined his craft at the Hamburg drama studio under Hildburg Frese from 1989 to 1992, later appearing on stages such as Berlin’s Schiller Theater, Vienna’s Burgtheater and Munich’s Kammerspiele. He entered screen work in the early 1990s with guest spots in series like Großstadtrevier, Wolff…