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

Professor of Psychology

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 & Gerontology, Simon Fraser University

The University of Iowa College of Public Health

Professor of Sociology, University of MInnesota

Deutsche Rentenversicherung Bund