Professor, Pontificia Universidad Javeriana

Associate Professor at College of Medicine, Al Maarefa University, Riyadh, Saudi Arabia

Professor Exposure Assessment and Occupational Hygiene, Utrecht University

Utrecht University, The Netherlands

Senior Lecturer of Public Health, Federation University Australia

Professor, Epidemiology, Environmental Health Sciences, University of California Los …

Professor emeritus (Epidemiology), University of Alberta

Professor of Biostatistics, University of Pittsburgh

Brigham and Women's Hospital, Harvard Medical School

Director of Monash Centre for Occupational and Environmental Health