Lieutenant General Nhial Deng Nhial is a South Sudanese politician and a member of the ruling Sudan People's Liberation Movement (SPLM). He was Minister of Foreign Affairs 2011 to 2013 and 2018 to 2019 after having served as the caretaker Minister of Defense since 10 July 2011. Prior to that he served as the pre-independence South Sudanese Minister of SPLA and Veteran Affairs, from 22 December 2008 until 9 July 2011.

Dr. John Garang de Mabior was a Sudanese politician and revolutionary leader. From 1983 to 2005, he led the Sudan People's Liberation Army/Movement as a commander in chief during the Second Sudanese Civil War. He briefly served as First Vice President of Sudan for three weeks, from the comprehensive peace agreement of 2005 until his death in a helicopter crash on July 30, 2005. A developmental economist by profession, Garang was one of the major influence on the movement that led to the foundation of South Sudan.