Dr YuSeon Jung is a pharmacoepidemiologist and postdoctoral researcher at the Hanyang University Institute for Rheumatology Research She holds a Doctor of Pharmacy PharmD and a PhD in Social and Clinical Pharmacy specializing in realworld evidence and populationbased research using largescale healthcare databasesHer research focuses on comparative effectiveness safety and healthcare utilization in rheumatic diseases including rheumatoid arthritis axial spondyloarthritis and systemic lupus erythematosus Her recent work examines the comparative effectiveness of IL17 inhibitors and TNF inhibitors as well as sex differences in healthcare costs among patients with axial spondyloarthritis to improve patient selection for immunosuppressive therapiesHer work primarily applies advanced epidemiologic and statistical methods to generate robust clinically relevant evidence for optimizing treatment strategies in rheumatology