Oksana Belyaeva is a professional dancer at the highest level. From 1988 to 1990, she attended the Perm State Choreographic College in Russia, and she graduated with the title of Dance Teacher and Choreographer. She deepened her choreographic studies with an advanced course of Classical Ballet, Classical Historical Dance, and Character Dance at the State School of Art in Krasnokamsk, Russia, which corresponds to the equivalent Italian high school diploma with specialization in dance. She participated in various congresses and internships in Dance Medicine, Floor barre, Physiodance, Show direction, Dance and management, From propaedeutic to technique, The physiology of en dehors: how to improve rotation. Once she arrived in Italy, she became prima ballerina in operettas such as: Cin-Ci-La (at Teatro San Babila), The Merry Widow (at Teatro Nuovo), and the opera La Traviata (at Teatro Derby). She participated in numerous tours to Russia, France, Cyprus and Italy as dancer and choreographer. Since September 2013, she has been teaching character dance at the AUB and, from September 2014, she has become part of the teacher staff for ballet classes for children. She is also responsible for the courses of Methodology at the International Ballet Centre - Ukraine (C.I.B.U.), where she also works as student examiner.

In 2023 she has been promoted to Coordinator and Teacher of the Cagliari headquarter at the prestigious Lyric Theater.