Vivian is Editor in Chief of the Campbell Collaboration. She is also an associate professor at the School of Epidemiology and Public Health, University of Ottawa and scientist at the Bruyère Research Institute in Ottawa, Canada. She is a co-convenor of the Campbell and Cochrane Equity Methods Group (2011-) and co-director of Cochrane Global Ageing. She is a clinical epidemiology methodologist and population health researcher at the Bruyère Research Institute (BRI). She leads methodological research on how to improve the assessment of considerations of health equity and social determinants of health in systematic reviews, guidelines and other evaluative research. She also leads systematic reviews and evidence and gap maps in global health in collaboration with practitioners and decision-makers.