Dr. Kassim is a BOT member at Law for Palestine. He started his university studies in Damascus, then moved to the United States, where he obtained his doctoral degree (S.J.D) in law from George Washington University in 1973. He worked with Sun Oil Company (now Sunco) in Philadelphia from 1973 until 1975, then as the legal counsel to the Industrial Bank of Kuwait (KSC) from 1975 to 1977. Dr. Kassim currently works from his legal office in Amman. He served as a judge at the Administrative Tribunal of the Arab League between 1981 and 1984. Dr. Kassim was editor-in-chief of the Palestine Yearbook of International Law from 1984 to 2000, and still serves as an editorial advisor. He was a member of the Palestinian defense team in the case against the Israeli separation wall at the International Court of Justice, resulting in its July 9, 2004 Advisory Opinion affirming the illegality of the wall. Between 1997 and 2007, he represented the Jordanian government and the PLO before the United Nations Compensation Commission to assess the damages inflicted by the Gulf War of 1990 on Jordanian and Palestinian individuals and corporations. Dr. Kassim also served as a legal adviser to the Palestinian delegation in the peace negotiations held in Madrid and Washington from 1991 to 1993.