Andrey Boreyko has a long relationship with Victoria Borisova-Ollas, dating back to 2005 when he performed the world premiere of Before the Mountains Were Born in Stuttgart (a work which the composer dedicated to him). He has since performed the world premières of Labyrinths of Time with the Gothenburg Symphony Orchestra in 2017, and Wunderbare Leiden (commissioned by the Düsseldorfer Symphoniker). He has also conducted Angelus and The Kingdom of Silence. As music director of Artis – Naples (Florida), and music and artistic director of the Warsaw Philharmonic Orchestra, Andrey Boreyko regularly appears as a guest conductor worldwide with orchestras such as Leipzig Gewandhaus Orchestra, Staatskapelle Dresden, Berliner Philharmoniker, Filharmonica della Scala, Orchestre de Paris, Cleveland Orchestra, Chicago Symphony Orchestra, Los Angeles Philharmonic, New York Philharmonic and Russian National Orchestra.