Member of the International Advisory Board of the Journal Nations and Nationalism, 2003-
Member of the editorial board of the Journal Israel Social Science Research, 1983-
Member of the editorial board of the Journal Hagar, 2000-
Member of the editorial board of the Journal Sociologia Yisraelit (Israeli Sociology) (Hebrew), 1996-
Member of the Committee on Terms in Sociology of Israel's National Academy of the Hebrew Language, 1993-
Member of the Board of Directors of the Association for the Promotion of Research, Literature and Arts, 1986-
Member of the academic council of the Babylonian Jewry Heritage Center, 1979-
Organizer and Chairman of the International Conference on Multiculturalism and Democracy in Divided Societies, Center for Multiculturalism and Educational Research, University of Haifa, 1999
Member of the editorial board of the journal Ethnic and Racial Studies, 1993-96
Member of the Inquiry Committee for the accreditation of the Department of Behavioral Sciences, Mikhlala Leminhal, Israel, 1994-95
Member of the Scientific Committee of the Second International Congress on Prejudice, Discrimination and Conflict, Jerusalem, 1992-94
Member of the Scientific Committee of the First International Congress on Prejudice, Discrimination and Conflict, Jerusalem, 1990-91
Member of the Academic Committee of the Institute for Israeli Arab Studies, 1987-92
Chairman of the annual conference of the Israeli Sociological Society, 1985
Member of the Central Committee of the Israeli Sociological Society, 1982-85
Member of the editorial board of the journal Megamot: Behavioral Sciences Quarterly (Hebrew), 1983-87
Member of the Academic Council of the International Center for Peace in the Middle East, 1982-85
Member of the Inter-University Seminar on Arab-Jewish Relations, sponsored by the Ford Foundation, 1982-83