Thomas John Kiangio

He attended Saint Antony's Seminary Ntungamo in the Catholic Diocese of Bukoba.

He then transferred to the Charles Lwanga Major Seminary Segerea in the Archdiocese of Dar es Salaam.

[2] He holds both a Licentiate and a Doctorate in Dogmatic Theology from the Pontifical Urbaniana University in Rome.

This followed the death of the late bishop Anthony Mathias Banzi, who died on 20 December 2020.

[2][3] On 7 June 2023, the Holy Father Pope Francis appointed him as bishop and assigned him to the Diocese of Tanga.