Professor of Primary Care & Public Health, Imperial College London

Associate professor - The University of North Carolina at Charlotte

Johns Hopkins Bloomberg School of Public Health

John Curtin Distinguished Emeritus Professor, Curtin University

University of South Carolina, Harvard University,

National Cancer Institute (Retired)

McAuley Professor of International Health, University of Otago

Professor of International Health, Johns Hopkins Bloomberg School of Public Health

Professor of Health Policy and Systems, Johns Hopkins School of Public Health

Associate Professor of Population Medicine