Simona Zajancauskaite began her music career at the Rokiskis School of Music, where she studied under A. Vagoniene. Later, she was invited to study at the National M.K. Ciurlionis School of Art, where she completed her studies under A. Jurgelionis and D. Racys. Between 2007-2012, she studied at the N.A. Rimsky-Korsakov State Conservatory in St. Petersburg under Prof. N.N. Seregin and received the highest Red Diploma. She continued her studies in solo piano and chamber music at Weimar, Germany, under Prof. G. Gruzman and L. Schmiedel.
Simona has won eight national and nine international competitions and is a regular participant in master classes. Her musical path has been enriched by lessons with such masters as Maestro Mstislav Rostropovich, Prof. Lazar Berman, Prof. Julius Drake, Alexandre Debrus, Prof. Martin Spangenberg, Prof. Sergey Urivaev, Prof. Thomas Steinhofel, Prof. Sigrid Lehmstedt, Prof. Lev Natochenny, Prof. Vera Gornostayeva, and Prof. M. Rubackyte.
Simona frequently performs as a soloist and as a member of chamber ensembles, and has participated in concerts and festivals in Russia, Estonia, Germany, France, Belgium, Switzerland, and Austria. She has initiated several international chamber music projects, such as "Music for Eight," "The Flying Birds Return," "Hans Christian Andersen's Fairy Tales Workshop," "Saint-Saens," and "DSCH. Shostakovich."
Between 2005-2010, Simona received a scholarship from the M. Rostropovich Support and Charity Foundation for Lithuanian Children, and in 2013-2014, she won the Deutschlandstipendium awarded by the Ernest Freiberger Foundation. Since 2007, together with her sister Justina Zajancauskaite, a violinist, Simona has been organizing the "Rokiskis Classical Music Festival" in her hometown. The main goal of this festival is to introduce the young generation of Lithuanian and foreign musicians and artists to the public and to expand the cultural space in Northern Lithuania.
For her achievements in music, Simona was awarded the President V. Adamkus Prize.