Dept. Anthropology, National Museum of Natural History, Smithsonian Institution

Rock Art Research Institute, University of the Witwatersrand

Indiana University - Purdue University Indianapolis

Johns Hopkins Bloomberg School of Public Health

Professor of Sociology-Anthropology, Northeastern University

Cele S. and Samuel D. Keeper Endowed Professor in Social Justice

Assistant Professor of Sociology, Northwestern University

Professor of Sociology, California State University San Bernardino

University of Illinois at Urbana Champaign (1994-2011)

The Sage Colleges