Professionally:
- Yasser Arafat Foundation General Director (2014 - ).
- Member of the Board of Trustees of the Foundation.
- Palestinian State Ambassador to the Kingdom of Morocco (2009-2013).
- Ministry of Foreign Affairs Deputy (2006-2009).
- Ministry of Media and Information Deputy (2003-2006).
- Ministry of Planning and International Cooperation Assistant Deputy (2001-2003).
- Minister of Planning and International Cooperation, Director General (1995-2001).
- Ambassador of Palestine to Brazil: (1989-1995).
- Ambassador of Palestine to Mexico: (1981-1989).
- PLO non-resident representative in Portugal (1979-1981).
- PLO deputy representative in Spain (1978-1981).
- Coordinator of meetings of Palestinian Authority Ministries Deputy (2003-2009).
- The Palestinian President's representative in several countries (missions, messages delivery, and attending the inauguration of presidents).
- Palestinian representation at the United Nations, Non-Aligned Movement, European Union, International Parliamentary Union, and several regional and international conferences.
National Work:
- Became a member of the Palestinian National Liberation Movement (FATH) in Rusaifa, Jordan (1968).
- A Revolutionary Council member (2016-). 
- Presently the Chairperson of the Revolutionary Council's Political Committee.
- Member of the Fatah Movement's 4th General Conference (Damascus, 1980), 5th (Tunisia, 1989), 6th (Bethlehem, 2009), and 7th  (Ramallah 2016).
- Member of the Palestinian National Council.
Personal Information:
- Born in Jenin 1952.
- He holds a Bachelor's degree in Medicine from Spain.
- Married, one son and three daughters, and four grandchildren.
- Fluent in Spanish, Portuguese, and English in addition to the mother tongue (Arabic).
- He published several publications and articles in Spanish and Portuguese.