He was known as the leader of Sudan People's Liberation Movement-Democratic Change who served the Republic of Sudan as its Minister of Foreign Affairs from 2005 to 2007.
He studied Chemical Engineering at the University of London and received a Ph.D.
He was a negotiator involved with the Operation Lifeline Sudan.
His family comes from Athidhwoi, Upper Nile.
He is a Sudanese politician like Sadiq Al-Mahdi .