-Born in 1947 in Jerusalem, Palestine
-Certifcates: 
Bachelor of Arts (BA) in Political Studies from the American University of Beirut, Lebanon, 1969.
Master of Arts (MA) in Political Studies, International Relations from the American University of Beirut, 1971.
PH.D., University of Bonn, Federal Germany, 1975 
-  Worked as a lecturer in the Department of Political Studies and Public Administration, American University of Beirut
1973 - 1976: General Director of the Palestinian Information Centre in Bonn/Germany (who later turned to the Representatives of Palestine).
-1977 -1979: Acting Director of Diplomatic Mission of PLO in Beijing, China.
-1979 -1985: Director of the Office of the President of the PLO, Lebanon and Tunisia.
-1985 -1993: Director of the Office of President of the State of Palestine/PLO, in Tunisia.
-1993 -1995: Director of the Office of the President of the State of Palestine/PLO, in Tunisia.
-1995 - 2003: General Director of the Office of the President of the Palestinian National Authority in Jericho.
-2003 – February 2005: Vice President, Office of the President of the PNA.
-19 February 2005 until 1 September 2007: Governor of Jericho and the Jordan Valley.
-19 November 2007 until 10 March 2010 Conservative of the Tubas Governorate
-  From his published works:
1. Communist China's Nuclear Strategy (in English), 1971 (Unpublished doctoral thesis).
2. "Israel and the Palestinian issue in the Afro-Asian area," Palestinian Issue Yearbook, 1969, Beirut, Lebanon: Institute for Palestine Studies, 1972, pp. 732-761.
3. "The Palestinian Issue at the United Nations," The Palestinian Issue Yearbook, 1969, Beirut: Institute for Palestine Studies, 1972, pp. 761-819.