Julia Antonovitch was born in Novosibirsk, Russia. She studied Concert Piano at the State University of Music "N. A. Rimski-Korsakow" in St. Petersburg with Prof. Nathan Perelman and then continued her studies at the University Mozarteum Salzburg. She also had the opportunity to work with Zoltán Kocsis and Imre Rohmann in master classes at the International Bartók Seminars in Szombathely, Hungary. 

She began working in the opera class at the University Mozarteum Salzburg in 1993. She has accompanied master classes given by Marjana Lipovšek and Alfred Burgstaller and was chosen to be an official accompanist for the International Mozart Competition. Additionally she has been involved in numerous productions at the Salzburg State Theater, the Opera Summer in Chiemgau and the Laubacher Opera Workshop.

In 2007 she was engaged by the Salzburg Festival for the production of “Eugen Onegin“ with Barenboim, Breth, Mattei, Furlanetto, Samuil, Gubanova. She was then invited by Maestro Daniel Barenboim to work at the State Opera in Berlin where she now works as a vocal coach for the Russian repertoire. She was involved in new productions of "The Gambler" (Barenboim/Tcherniakov), "Eugen Onegin" (Barenboim/Freyer), and "Die Zarenbraut" (Barenboim/Tcherniakov) and has had the chance to work with well-known vocal artists such as R. Pape, R. Villazon, M. Kränzle, A. Kotscherga, Kwangchul Youn, A. Tomowa-Sintow, O. Peretyatko and K. Opolais.