The formation of the Congregation was carried out by different sisters, starting with Mother Felicitas Tirpitz C.P.S., the first Superior and Formator for 42 years. She handed over the leadership to indigenous sisters in 1973.
The first Superior General was Mother Cecilia Mbuya CDNK (1973-1988), followed by Mother Agreda Mosha CDNK (1988-2001), who was then followed by Mother Phina Mushi (2001- 2013), who handed over leadership to the current Superior Generial, Mother Theresia Buretta, in 2013.