Ana Mihajlović studied composition with Zoran Erić (the Faculty of Music) in Belgrade and Louis Andriessen (the Royal Conservatory) in The Hague. She also attended classes of Ton de Leeuw, Nigel Osborne, Srđan Hofman.
Selected three times for the International Gaudeamus Week, Amsterdam (1991 – Story II, 1998 – Full Auto Shut Off, 2004 – Imploro Grazia). In 1998, she was a guest composer in Tokyo, as a winner of the International Composers Competition (the 19th IRINO Prize for Orchestra, for her piano concerto Mundus Sensibilis). Her music was commissioned and performed by the Belgrade Strings, the Combustion Chamber ensemble, de Stichting Barka, pianist Marcel Worms, Gamelan ensemble, Axyz Ensemble, Cobla la principal d’Amsterdam, VPRO TV, Malle Symen Quartet, Ensemble Multifoon, Doelen Ensemble, percussionist Tatian Koleva etc.
Since 1995 she has been living in the Netherlands. Ana Mihajlović is also active as a performer (conductor, DJ) and she is a member of the electronic band Cloud Society.