Denys is a second-year PhD student in Population Health Sciences (Epidemiology) at the Harvard T.H. Chan School of Public Health, a Research Associate at the Department of Anesthesia, Critical Care and Pain Medicine at Beth Israel Deaconess Medical Center, and a Research Trainee in the Division of Pharmacoepidemiology and Pharmacoeconomics at Mass General Brigham. Prior to that, he studied medicine at the University of Münster and the Charité – Universitätsmedizin Berlin with a scholarship from the German Academic Scholarship Foundation. His research interest lies in perioperative medicine and onco-pharmacoepidemiology. He joined the GAC family in 2018.