Was born in Belgrade, where she began her music studies at the Vojislav Vuckovic Music School for Gifted Children. She graduated from Belgrade University at the age of twenty-one. She continued her studies at the "Franz Liszt Academy of Music" in Budapest, Hungary.
Ms. Rialas enjoyed a distinguished performing career touring extensively throughout Europe and China as a member of "Dusan Skovran" Chamber orchestra. She was a violin professor at Niš College of Music. Additionally she gave recitals throughout Yugoslavia and Hungary, and also performed with the Belgrade Radio Symphony Orchestra and Niš Chamber Orchestra, as a soloist. She also recorded for RTV radio and television.
Since 2001, she performed at several recitals in New York, including being the solo violin at the première of a contemporary opera composed by Evan Hause. She was the concert master of the New Amsterdam Symphony Orchestra for the summer and autumn seasons of 2002.
Ms. Rialas was also a member (first violin) of the Wagner Festival Orchestra, and an affiliate of the Mannes College of Music for several seasons. She has been successfully combining her performing career with teaching. In 2001 she began teaching at the Long Island Conservatory (LIC), and was appointed as the String Department Chair from 2002-2004
. She held an Associate Professorship at the Conservatory. She performed several times in LISMA Foundation Concerts at Carnegie Hall, Merkin Hall, Nassau Museum etc. Ms. Rialas taught at a Master Class in 2005 in SUNY, Old Westbury, and performed at the LIC Music Festival, the Guitar Festival in Belgrade, and the Nomus Festival in Niš.
She moved to Cyprus in 2010, where as Artistic Director, she helps the Multicolored Music Children Orchestra. She performs as a soloist regularly, with the Russian pianist Tatiana Stupak as a violin-piano duo. She is the Founder of the Aphrodite Vocal Competition Festival Cyprus, and of the Performing Arts Factory in Belgrade. In 2022, she was awarded an Honorary Doctorate for helping children in performing arts, from the Institute Roma in Belgrade.