Jelena (Ljubiša) Pejić was born in Niš on September 2, 1992. He finished primary and secondary school in Sokobanja as  Generation’s honor student. He started undergraduate studies at the Faculty of Science an Mathemathics in Nis in 2011 on the Departmant for Computer Science. In 2014, he started master studies at the same faculty on the module Software Development. He is the winner of Dositej's scholarship and is awarded as the best student of the Faculty of Natural Sciences and Mathematics. She started  PhD studies in 2016 in the fields of artificial intelligence. He started teaching on the Faculty of Sciences and Mathematics as a doctoral student, than as a teaching associate. Since 2019, she has been engaged as a teaching assistant on the subjects in the field of artificial intelligence and computer graphics.