Dejana Gajić was born in 1994 in Loznica. She acquired the title of doctor of medicine at the Faculty of Medicine, the University of Novi Sad, in 2019. She is a resident specializing in cardiac surgery. She works as a clinical doctor at the Cardiac Surgery Clinic of the Institute for Cardiovascular Diseases “Dedinje”. She is a member of the Serbian Medical Chamber. She is fluent in English and German.