Professor of Primary Care Health Sciences, University of Oxford

Rutgers University,Institute for Health, Health Care Policy and Aging Research

Professor of Medical Sociology

Regents Professor, Department of Sociology, University of Georgia

Professor of Sociology, University of Texas at Austin

Professor of Sociology, Brandeis University

Professor of Medical Sociology, London School of Hygiene and Tropical Medicine

University of Cambridge

Professor of disability research, London School of Hygiene and Tropical Medicine

Full Professor of Social Medicine, University of São Paulo (Brazil)