Mansour's father moved to the United States in the 1950s as a refugee and became a steelworker in Ohio. He later sent for his seven children from the West Bank, including Riyad,7 who was born on 21 May 1947. The refugee family lived in Ramallah, Occupied West Bank.8 He has a Bachelor of Arts degree in philosophy and a Master of Science degree in education counselling from Youngstown State University, and a Ph.D in counselling from the University of Akron.9 In 2002, Mansour served as an adjunct professor in the Political Science Department at the University of Central Florida.10
Mansour has stated that events of the Gaza war amounted to "the most documented genocide in history".11 On September 2024, He was given a new seat at the UN General Assembly after a vote.12 On 28 May 2025, While recounting killed children in Gaza, Mansour broke down, banged the UN Security Council table and said: "This is unbearable, how could anyone?" before relooking at the list and eventually maintaining composure.13
New Permanent Observer of Palestine Presents Appointment Letter. United Nations Press Release, October 5, 2005 https://www.un.org/News/Press/docs/2005/bio3704.doc.htm ↩
Former Ambassadors, Permanent Observer Mission Of The State of Palestine to the United Nations, (Retrieved 21 December 2014). http://palestineun.org/mission-team/former-ambassadors/ ↩
Press Conference by Permanent Observer of Palestine, United Nations (November 27, 2012). https://www.un.org/press/en//2012/121127_Palestine.doc.htm ↩
Ambassador Riyad Mansour, Permanent Observer Mission of Palestine to the United Nations - Press Conference, UN Web TV, (November 27, 2012). http://webtv.un.org/watch/ambassador-riyad-mansour-permanent-observer-mission-of-palestine-to-the-united-nations-press-conference/1992767007001 ↩
General Assembly Votes Overwhelmingly to Accord Palestine 'Non-Member Observer State' Status" in United Nations, United Nations, (29 November 2012). https://www.un.org/press/en/2012/ga11317.doc.htm ↩
New York Times,"Son of an Ohio Steelworker, Now Palestinian Envoy to the U.N.", Rick Gladstone, 28 June 2019, [1] https://www.nytimes.com/2019/06/28/world/middleeast/palestinian-envoy-un-ohio-steelworker.html ↩
Ambassador, Permanent Observer Mission Of The State of Palestine to the United Nations, (Retrieved December 21, 2014). http://palestineun.org/mission-team/ambassador/ ↩
"Gaza is 'most documented genocide in history,' says Palestinian UN rep". Al Jazeera. 2024-07-17. Retrieved 2024-11-24. https://www.aljazeera.com/program/newsfeed/2024/7/17/gaza-is-most-documented-genocide-in-history-says-palestinian-un-rep ↩
"Palestinians take new seat at UN General Assembly". Le Monde France. https://www.lemonde.fr/en/international/article/2024/09/11/palestinians-take-new-seat-at-un-general-assembly_6725549_4.html ↩
"Palestinian UN envoy breaks down while recounting killed children in Gaza". Al Jazeera. https://www.aljazeera.com/video/newsfeed/2025/5/28/palestinian-un-envoy-breaks-down-while-recounting-killed-children-in-gaza#flips-6373581308112:0 ↩