2015+ Co-Editor, Linguistic Landscape, An International Journal

2013+ Membre du Conseil Scientifique International de Socio

2010+ MReviewer for Social Problems

2008+ Member of the Council of the Cooperation Union

Ministry of Industry, Commerce and Employment

2008+ Head

Commission for Renewal Processes and Conflict Management

Council of the Cooperation Union

2007+ Head

Committee of accreditation of the Department of Sociology and Anthropology Academic

College of Ashkelon

Council for Higher Education

2007, May Directeur d’Etudes associe, Ecole des Hautes Etudes en Sciences Sociales, Paris

2006+ Scientific Council of Kesher, J-nal of Media and Comm. History in Israel and the Jewish World

2005-6 Visiting Professor, Université Libre de Bruxelles, Institut Martin Buber

2005+ Past President, International Institute of Sociology

2004+ Member of the Center for Social Policy Studies in Israel

Member of the Editorial Advisory Board of The International Scope Review

2003+ Vice-editor, International Review of Sociology Member of the Academic Committee, Beit Berl College

2003 Head of the Israel Prize Committee in Sociology (appointed by the Minister of Education and Culture)

2002-2004

Member of the Academic Committee of the Open University

2002-2003

Chair, The Public Committee for the Kibbutz (appointed by the Israeli Government) General Editor of the “Jewish Identities in a Changing World” series, at Brill Academic Publishers Member, Committee of publications, Ben-Gurion Research Center in Sde Boker

2001+

Co-founder and co-director of the Klal-Israel Project

2001+

President, International Institute of Sociology Chair of the Israeli Association for the Study of Language and Society

2000+ Collaborator, Année Francophone Internationale

1997-2001

Vice-President, The International Institute of Sociology

1997-1999

Organizer and Chairperson of the 34th World Congress of the International Institute of Sociology – Tel-Aviv, July 11-15, 19999

1997-‏1998 Organizing committee of the Tel-Aviv Conference: 50 years of Statehood, January 25-27, Tel-Aviv University

1993-‏2001

Chair of the Scientific Board of the Israel Studies Series, published by Transaction, New Jersey

1993-1997

President, Israel Society of Sociology

25.11.1996-25.12.1996

Professeur Invité: Université Paris 7 Denis Diderot, Jussieu

1996+

Member of the Editorial Board of Ethnic and Racial Studies

1996-1998 Head of the PhD students’ Committee, Faculty of the Social Sciences, TAU

1995-1996 Member of the Council of the Research Authority, Tel-Aviv University Evalutor for the Abraham Fund, New York

1994-1998 Member of the Appointment Committee of the School of Education, TAU Member of the Board of the Research Committee (05) on Ethnic, Race and Minority Relations – The International Sociological Association

1994+ Member, Academic Board of the Center for Language Policy Research, Bar-Ilan U. Member of the International Biographical Association Book reviewer for Contemporary Jewry

1994 Chairperson of the of the Joint Steering Committee of the Netherlands-Israel Research Programme Directeur d’Etude Associe, Ecole des Hautes Etudes en Sciences Sociales, Paris

1993+ Member – Joint Steering Committee of the Netherlands-Israel Research Programme Chair of the Tel Aviv Committee of the Peretz Naftali Award in Social Sciences Referee for Ethnic and Racial Studies

1993-1998 Coeditor of the Israeli Social Sciences Research

1993+ Chair, the Board of Israel Studies (published by Transaction, NJ, USA)

1993-1994 Head of the Higher Committee for the Social Sciences, Ministry of Education

1993 (July) Invited by the China Academy of Social Sciences, in Beijing and Shanghai

1992+ Referee for International Migration Member of the Academic Advisory Board of Sociological Papers Reviewer for Asian and Pacific Migration Journal

1992 (Summer) Invited Scholar, Rich Seminar, Oxford Hebrew Center for Postgraduate Education

1991-1993 Consultant to the International Peace Research Association/ Commission on Peace Building in the Middle-East

1990-4 International Research Team: Images of Europe, Association for the Club of Rome Head of the Yad Tabenkin Research Project: The Kibbutz at the Turn of the Century

1989-90 Visiting Scholar, The Oxford Centre for Postgraduate Hebrew Studies

1986-8 Member of the Higher Committee for Social Sciences, Ministry of Education

1984-1985 Visiting Professor, Stanford University, Department of Sociology Directeur d’Etude Associé, Ecole des Hautes Etudes en Sciences Sociales

1981-1984 Executive Committee of the Israel Society of Sociology

1975 + Board member of the Centre Inter-Universitaire d’Etudes sur Israel Board member of Connaissance d’Israel, Belgium