Born in Bulgaria, where he started his musical education in Plovdiv. He continued his studies at the Universität für Musik und darstellende Kunst, Graz, as well as in Denmark where he held a scholarship from the Royal Danish Academy of Music, graduating as accordion soloist. His musical development was strongly influenced by teachers like Mogens Ellegaard, James Crabb and Georg Schulz. Krassimir Sterev performs internationally as a soloist and member of chamber music formations, ensembles and orchestras and plays at many renowned festivals. His engagements include appearances in various theatre and dance theatre productions and projects specifically developed for children.
Krassimir Sterev became a member of Klangforum Wien in 2003. He has also worked with the Vienna Philharmonic (under Pierre Boulez and Daniel Barenboim), the Deutsche Symphonie Orchester Berlin (under Susanna Mälkki), the London Philharmonia Orchestra and the RSO Wien, with the ensembles Kontrapunkte, musikFabrik and Ensemble Phace and he is part of the Amos Trio. Since October 2015, Krassimir Sterev directs the accordion class at Hochschule für Musik und Theater in Munich.
In addition, he focusses his attention on the development of a special repertoire for accordion. Many composers have written new pieces for him – amongst others Chaya Czernowin, Bernhard Lang, Pierluigi Billone, Peter Ablinger, Bernhard Gander, Olga Neuwirth and Aureliano Cattaneo – which he premièred.