He taught Moral theology in Kipalapala Theological Seminary for a short time, and then became the first Rector of Segerea Theological Seminary in Dar-es-Salaam up to 1983.
Ia mengajar teologi moral di Seminari Teologi Kipalapala dalam jangka pendek, dan kemudian menjadi Rektor ppertama Seminari Teologi Segerea di Dar-es-Salaam pada 1983.