Kruna Petrić was born in Valjevo in 1991. She finished elementary school and high school in Uba, where she also grew up. She enrolled at the Faculty of Philology of the University of Belgrade in 2010 and graduated in February 2015 at the Department of English Language and Literature. In October 2015, she got a job at the Faculty of Business Economics and Entrepreneurship and has been working as an English teacher ever since. In addition to her interest in languages, she is particularly interested in psychology and studies anxiety while learning foreign languages. She devoted herself to teaching adults.