Born 1997 in Vienna, Marie began learning the violin at age four and soon thereafter she became a pupil of Prof. Marina Sorokova at the University in Vienna.
Since 2011 she is student in the class of Prof. Christian Altenburger at the University of Music and Performing Arts, Vienna.
Masterclasses with E.Tchugaieva, B. Khadem Missagh, Anton Sorokov, Midori and Julia Fischer.
Although so young, she did numerous concerts , so in the Vienna Mozart society, Dubrovnik summer festival, Kaunas Philharmonic society, Korcula summer festival, Ljubljana Philharmonics, Donaufestival Krems, in the "teatro la Fenice" in Venice, Festival Bad Ragaz in Switzerland, Konzerthus Stavanger, Mozarteum Salzburg, Brucknerhaus Linz, Mozartsaal of the Wiener Konzerthaus, Konzerthaus Berlin, etc.
2004 the RAI – television did a portrait about her as a highly talented musician.
8 years old she gave her debut as a soloist with the Beethoven Symphonie Orchester.
2007 she gave her first full Solo-recital in Padua, being 10 years old.
2007 she won the international competition for young violinist "Alpe Adria-Marcosig" in Gorizia with highest possible notes.2008 she won two first prices in the Austrian competition "Prima la Musica" in Vienna and in Innsbruck with highest points.In September 2008 she won the first price in the international "Hindemith-Competition Berlin" for violinists beiing the youngest partipiciant.
2013 she won the Promotion prize for young artists as the youngest participant in the international Mozart violincompetition in Germany and
2014 she won as the youngest finalist the 3rd price at the international J. Brahms competition in Austria.
Marie Isabel Kropfitsch played as a soloist with numeros orchestras including the Concerto Brandenburg Symphony, the Prager Symphony, Shanghai Opera, the Vienna Jeunesse and the rumanian Timisoara Symphony Orchestra.
Additional she recorded, 11 years old, 6 Mozart Quartets in with the Jess- Quartet- Wien for the famous label "Gramola", Vienna.
She plays a Violin by Guarneri "filius Andrea" 1712, presented by a private sponsor.