Since his debut concert in 1997, in The Hague, he has performed in New York, London, Paris, Prague, Vienna, Frankfurt, Munich, Geneva, Dublin, Moscow, St. Petersburg, Florence, Tokyo, Kobe, Beijing with great success. Along his starting career, he played with world-famous musicians and orchestras: Ádám Fischer, Zoltán Kocsis, Howard Griffiths, Simon Gaudenz, Gilbert Varga, St. Petersburg Symphony Orchestra, Mariinsky Theatre Orchestra, Geneva Chamber Orchestra, Franz Liszt Chamber Orchestra, Irish Chamber Orchestra. He has been invited to Santander Festival, the Gergiev Festival in St. Petersburg, the Pablo Casals Festival in El Vendrell (Spain), the Festival of Radio France in Montpellier, the Bellerive Festival (Switzerland), the Schleswig-Holstein Music Festival, the Schwetzingen Festival and the Budapest Spring Festival. In 2010 he made his debut, among others, in Carnegie Hall and the Wiener Konzerthaus and performed with Gidon Kremer, András Schiff and Yuri Bashmet in the frame of "Chamber Music Connects the World 2010" at Kronberg Academy. In 2011 his engagements included performances with the Suisse Romande Orchestra.
From 2004 István studied in the Class of Special Talents at the Franz Liszt Academy in Budapest (professor: László Mező), from 2005 at the Music Academy of Vienna (professor: Reinhard Latzko). Between 2010 and 2013 he continued his studies at the Kronberg Academy with Professor Frans Helmerson. From 2013 he is on the staff of the Academy. In the past years he attended masterclasses of Natalia Gutman, Natalia Shakhovskaya, András Schiff and János Starker. In 2009 he was awarded the Junior Prima Prize as best young artist of the year, in 2012 he received the highly prestigious Prix Montblanc awarded to the world's most promising young musician. His first CD containing pieces of Janáček, Prokofiev and the Elgar cello concerto was released in October 2009 by Ysaye Records. In 2010 he recorded the cello concerto of Johann Baptist Vanhal. On his recent CD released by he Hännsler label in 2013 he plays works by Mendelssohn, Martinu, Paganini, Beethoven and Popper.
