 Together with Faisal Husseini he co-founded the Jerusalem National Committee in 1992 which later became the Jerusalem Arab Council (1993), as Abdul Hadi functioned at the Orient House under Faisal Husseini’s leadership.Also in 1995 he co-founded the EuroMeSCo Network and together with Hedra Abdul Shafi and many others created the Palestinian Council for Peace and Justice.In 2000 he was part of the founders of the Arab Team for Muslim and Christian Dialogue in Beirut and one year later became a member of the Arab Thought Forum of Prince Hassan bin Talal in Jordan (2001).