Profesor of Management, Emeritus, The Wharton School, U. of Pennsylvania

University of California, Davis

Professor of Anthropology, Arizona State University

Professor in Computer Science, Royal Holloway

Professor of Chemistry Harvard University

Professor of Demography and Economics, Univ Calif Berkeley

CNRS, ARTIS International, University of Oxford, University of Michigan

City University of New York

Professor Emeritus of Ecology & Evolutionary Biology, U. of Toronto

Professor emeritus Institute of Evolutionary Medicine