Former Undersecretary-General of the United Nations and Executive Secretary of ESCWA. 2003-04, Deputy Secretary-General of the Iraq Governing Council. 2003, Coordinator, Ministry of Planning. 2004-05, Chair, Arab Telecommunications and Information Council of Ministers of the League of Arab States. 2004-05, Acting Minister of Finance. 2004-06, Minister of Telecommunications of Iraq. 2004-10, High-level adviser on economic and social affairs to the Vice-President of Iraq. 2005-06, Member of the Iraq National Assembly and Foreign Relations Subcommittee. 2006-10, Director, Arab, European, International Organizations and Policy Planning departments, Ministry of Foreign Affairs of Iraq. 2010-13, Ambassador and Permanent Representative of Iraq to the United Nations, Geneva. 2013-17, Ambassador and Permanent Representative of Iraq to the United Nations, New York. Former Chairman, Credentials Committee, Nuclear Non-Proliferation Treaty Review Meeting. Member of the Code of Conduct Group. Chair, United Nations Meeting of Arab Ambassadors; proposed a draft resolution on raising the Palestinian flag at the United Nations, which was adopted by the General Assembly. Worked with Germany and the United Nations Educational, Scientific and Cultural Organization (UNESCO) on the adoption of a General Assembly resolution on preserving Iraqi heritage (2015).