Professor of Medicine, University of Mississippi Medical Center

WISER, University of the Witwatersrand

Research Professor of sociology, University of sydney

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Regents Professor, Department of Sociology, University of Georgia

Bloomberg Distinguished Professor, Johns Hopkins University

Distinguished Scholar in Residence, American University; Cardiff University, Leiden�…

American Enterprise Institute

Professor of Counseling Psychology, Boston College

Dean, Tulane University School of Public Health & Tropical Medicine