Cardinal Stephen Ameyu Martin Mulla, Archbishop of Juba (South Sudan), was born on 10 January 1964 in Ido (Diocese of Torit), in the region of Eastern Equatoria, Sudan.

He was ordained to the priesthood for the Diocese of Torit on 21 April 1991. After pastoral work in the Sudanese capital Khartoum, he studied for his doctorate at the Pontifical Urban University of Rome from 1993 to 1997. His thesis is titled “Towards religious dialogue and reconciliation in Sudan.”

Ameyu then taught at the Seminary of Juba, capital of South Sudan, where he is also rector. Since 2013 he has also worked in the administration of the Catholic University of South Sudan.

On 3 January 2019, Pope Francis appointed him as Bishop of Torit, a diocese that had remained vacant for over five years following the death of Bishop Akio Johnson Mutek in 2013.

Archbishop Paulino Lukudu Loro M.C.C.I., of Juba, consecrated him a bishop on 3 March of the same year.

On 12 December 2019, Pope Francis appointed him Archbishop of Juba. The inauguration took place on 22 March of the same year. On the same date he was also appointed Apostolic Administrator of the Diocese of Torit.

He also served as Apostolic Administrator of the Diocese of Wau from 21 September 2020 to 24 January 2021.

He was created and proclaimed cardinal by Pope Francis in the Consistory of 30 September 2023, and assigned the titular church Santa Gemma Galgani.

Member of:

• Dicastery for the Doctrine of the Faith.