Kosara Cvetković hails from Serbia and has been employed by Beijing International Studies University since 2016. She pursued her studies in Serbian Language and World Literature at the University of Belgrade and holds a Master's degree in Serbian Literature of the 20th Century, as well as a Ph.D. in Dramatic Arts, Media, and Culture. Kosara has authored numerous academic papers, many of which have been published in prestigious Serbian academic journals.

During her tenure at Beijing International Studies University, Kosara has developed over 10 study courses encompassing Serbian Language, Literature, History, and Culture. She has supervised bachelor's theses and actively worked towards promoting cultural and linguistic interaction. Additionally, she has served as a co-author of a Serbian language textbook published by BISU.

Her professional interests span various disciplines, including culture theory, history, semiotics, literature, and the teaching of Serbian as a foreign language.