During his stay with the company, Karu worked not only as the CEO, but also as the head director of the company. While most of the other directors the company hired during the 1920s only worked on a few films and didn't enjoy significant success,von Bagh, p. 412 Karu could create well-received films such as Koskenlaskijan morsian (1923) and the Aleksis Kivi adaptation The Village Shoemakers (Nummisuutarit, 1923).Uusitalo 1972, p. 90-92 By the end of the silent film era, Suomi-Filmi was unquestionably the largest film production company in Finland, achieving almost a monopoly status.Uusitalo 1972, p. 148
