was appointed to the Technical Assessment and Conversion Committee, responsible for designing, processing and overseeing the change of the Sudanese currency from dinars (SD) to pounds (SDG). He was among the internal cells within Sudan, govern controlled areas who provided technical supporting to the Sudan People’s Liberation Movement (SPLM) negotiating team on wealth sharing protocol during the peace talks in Naivasha, Kenya, during the Comprehensive Peace Agreement (CPA) negotiations, the contribution that led to establishment of the two windows in banking industry in Sudan, the Islamic banking system in the North and the conventional banking system in the South, during the six years period of the CPA - 2005 to 2011. More as one of the few SPLM members working in the Central Bank, he was a member in the joint committees between Sudan and South Sudan, of prior and post CPA issues. Government of Southern Sudan In May 2007, Stephen Dhieu Dau was appointed as the Minister of Finance, Trade, and Economic Planning of the oil-rich Upper Nile state. As the state minister, he had overseen robust public finance management and economic development. Stephen Dhieu played a critical role during the 2010 elections. He was the Campaign Manager for the President Salva Kiir, and the SPLM party in Upper Nile state. The SPLM won a slide victory in general elections in 2010 in Upper Nile state, at all three levels of the government ( national in Khartoum, subnational in Juba and state), including gubernatorial position, and over 90% seat in all legislative assemblies. In 2010, upon general elections, Stephen Dhieu Dau, was appointed as the Minister of Commerce and Industry in the Government of Southern Sudan ( GoSS). As the Minister, he was responsible for formulation of policy, laws and regulations of trade and industry, promoting trade and reviving the defunct industrial schemes across Southern Sudan. Government of the Republic of South Sudan Following the independence of South Sudan on July 9, 2011, as South Sudan (RSS) became a, Republic, sovereign and independent country, he was appointed Caretaker Minister of Commerce and Industry from July 9. 2011 - August 25. 2011 pending the appointment of the first Cabinet of the newest Republic of South Sudan. On August 26, 2011, Stephen Dhieu Dau was appointed as the first Minister of Petroleum and Mining and tasked with overseeing the development of the oil and gas, formalization and harmonization of laws, agreements