LL.B., Hebrew University, 1967; LL.M., Hebrew University, 1972; Dr.Jur., York University, Canada, 1975. Law clerk to Justice Zvi Berinson, Supreme Court of Israel, 1966; Admitted to Israel Bar, 1968. Lecturer in Law, 1975; Senior Lecturer, 1979; Associate Professor, 1985; Professor, 1991. Ben Gurion Visiting Professor of Law, University of Southern California, 1979 and 1984-85; Visiting Professor, Tulane University, 1989 ; Visiting Professor, Bar-Ilan University, 2001-2002; Visiting Professor, Columbia University, 2003; Visiting Fellow, Institute for Advanced Legal Studies, University of London, 2005; Visiting Professor, Fletcher School of Law and Diplomacy, Tufts University, 2006 Member; Professor of Law, Ulster University, 2006 – 2009; Inaugural Fellow, Straus Institute for the Advanced Study of Law and Justice, New York University Law School, 2009-2010. UN Human Rights Committee, 1995-2002; Vice-Chairperson of Committee, 2001-2002. Commissioner, International Commission of Jurists since 2002.