Nusseibeh is head and founder of the Palestinian Consultancy Group, co-founder and member of several Palestinian institutions including the Jerusalem Friends of the Sick Society, the Federation of Employees in the Education Sector in the West Bank, the Arab Council for Public Affairs, the Committee Confronting the Iron Fist, and the Jerusalem Arab Council. He is also on the advisory board of The International Center for Ethics, Justice and Public Life at Brandeis University.[39]