Profeesor emeritus, Northwestern University

Research professor, Universidad Autonoma de Yucatan

Professor Emeritus of Anthropology, University of Alberta

Professor of Anthropology, University of Wisconsin-Milwaukee

University of Winnipeg

Professor of Anthropology and Archaeology, Brown University

Dr habil. | Gerda Henkel Foundation | Ludwig-Maximilians Universität, Munich

Associate Professor, Anthropology and Middle Eastern Cultures, Mississippi State University

University of Oklahoma

Anthropology, University of Florida