Born in Kraków in 1992. She started her piano education at the age of 5. In years 1998 – 2006 she was tutored in piano playing by Olga Łazarska. Presently, she is a student of the last form of the 2nd degree Secondary School of Music belonging to the Mieczysław Karłowicz Complex of State Schools of Music in Cracow, in the piano class of professor Piotr Paleczny.
Julia is a multiple Grand Prix prize-winner, laureate of first places and special prizes in many national and international piano competitions. 9th Milosz Magin International Piano Competition (Paris, 2005) 3rd International Chopin Competition for Children (Jelenia Góra, 2005), 4th International Competition for Young Pianists “A step towards mastery” (St. Petersburg, 2007) and lately in the National Fryderyk Chopin Piano Competition (Warsaw, 2008). In 2000 she was covered by the assistance programme for outstandingly talented teenagers managed by National Children’s Fund in Warsaw. Moreover, she is a laureate of various prestigious scholarships.
She worked with many outstanding pedagogues such as W. Mierżanow, I. Monighetti, K. Popowa-Zydroń, J. Rouvier, T. Ungar, K. Helwig, D. Kim, E. Wong, O. Maisenberg and M. Raekallio. In years 2006 - 2009 she was active participant of Master Courses for Pianists at the Chopin International Festivals in Duszniki Zdrój.
She has given concerts in Poland, France, Germany, Russia, Estonia, Canada, Austria, Switzerland and in Lithuania. In April 2009 she was on a 3 week concert tour in the USA. She performed many times as a soloist with accompaniment of Philharmonic Orchestras of Krakow, St. Petersburg, Lower Silesia, Silesia, NOSPR, Podlasie Opera and Philharmonic Orchestra, Sinfonietta Cracovia, Dawid Ojstrach Festival Orchestra in Parnu, Chamber Orchestra of Tallinn, the Beethoven Academy Orchestra, Chamber Orchestra of Przemyśl, Silesian Chamber Orchestra and Fryderyk Chopin University Symphony Orchestra in Warsaw conducted by: J. Salwarowski, M. Nałęcz-Niesiołowski, Ł. Borowicz, R. Bader, M. Tworek, N. Järvi, E. Klas, M. Nesterowicz, M. Caldi, P. Przytocki and J. Swoboda. She also gives concerts with her brothers in “Family trio”.

Julia Kociuban is represented by the Ludwig van Beethoven Association.