Bishop Domingos attended the Methodist Institute of Higher Education in Brazil where he graduated from the Faculty of Theology. He engaged in further study at the Bossey Ecumenical Institute (CMI), at the University of Geneva - Switzerland. He attained a Masters from the Public University of Évora, Portugal in the area of Educational Sciences and in April 2019, enrolled for a PhD at the Methodist University in Angola in Religious Studies. At the 4th Annual Conference of Western Angola (I.M.U.A.) held at the Central Church of Luanda Ecclesiastical District, Bishop Domingos was ordained in 1988 as a Member of the Trial. At the 6th Annual Conference of Western Angola held at the Methodist Church of Emmaus (District of Luanda), he was ordained in 1990 to the Full Connection and Deacon. He was then ordained an Elder in the 8th edition of same Conference held in the Ecclesiastical District of Kuanza Sul-Kibala, in 1992.