Professor of Sociology, Drexel University

Professor of Anthropology and Law, UC Irvine. Publications also at http://escholarship.org/

Professor, University of the West Indies, Mona

Professor and Watts Endowed Family Chair, Criminology and Criminal Justice, Arizona …

Professor, York University, Toronto, Canada

University of Florida, emeritus professor

Florida Institute of Oceanography

USGS and Dept. Paleobiology, National Museum of Natural History, Smithsonian Institution

Professor of Geology, Florida International University

Honorary Research Fellow