Professor of Sociology and Human Development and Family Science, Syracuse University

Distinguished Professor of Sociology, Purdue University

Professor, University of Haifa

University of Padua

Dept. of Political and Social Sciences - Università di Bologna

Professor of Sociology, University of Duisburg-Essen

Professor of Sociology & Gerontology, Simon Fraser University

The University of Iowa College of Public Health

Professor of Sociology, University of MInnesota

Deutsche Rentenversicherung Bund