Career
Born in Mboro, Sudan, he was ordained a priest on 21 July 1963. He was appointed Bishop of Wau in 1974, and Archbishop of Khartoum in 1981. Zubeir Wako was proclaimed a Cardinal-Priest of Sant"Atanasio a Via Tiburtina by Pope John Paul II on 21 October 2003.
He was one of the cardinal electors who participated in the 2005 papal conclave that selected Pope Benedict XVI. He was one of the cardinal electors who participated in the 2013 papal conclave that selected Pope Francis.
On Saturday, August 15, 2015, Pope Francis appointed Bishop Michael Didi Adgum Mangoria of the Roman Catholic Diocese of El Obeid in El Obeid, Sudan, to serve as Coadjutor Archbishop to Cardinal Zubeir Wako. Meaning he will serve as his Auxiliary Bishop and Vicar General, and also have the right to succeed Cardinal Zubeir Wako when the Cardinal retires, resigns, is incapacitated, or dies.
When and if he succeeds Cardinal Zubeir Wako, he could, possibly, be named a Cardinal himself once Cardinal Zubeir Wako either dies or reaches the age of 80 and is no longer able to vote in a papal conclave.