Professor of Medicine, University of Mississippi Medical Center

WISER, University of the Witwatersrand

Research Professor of sociology, University of sydney

writer

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