Peter Jüni is currently a Professor of Medicine and Clinical Trials at the University of Oxford since September 2022. Previously, Peter Jüni held dual roles as a Professor of Epidemiology and a Professor of Medicine at the University of Toronto from January 2016 to August 2022, while also serving as the Director of the Applied Health Research Centre at St. Michael's Hospital during the same period. Between 2020 and 2022, Peter Jüni was the Scientific Director of the Ontario COVID-19 Science Advisory Table. Peter Jüni's earlier academic tenure includes serving as the Director and Professor of Primary Care & Clinical Epidemiology at the Institute of Primary Health Care (BIHAM), University of Bern from 2006 to 2015, and holding multiple leadership positions including Director and Professor of Clinical Epidemiology at the Institute of Social and Preventive Medicine (ISPM) in Bern from 2009 to 2014.