László is laureate of the Pablo Casals International Competition, Geneva International Music Competition, Rostropovich Competition in Paris, Adam Competition in Christchurch and Hungarian Radio Competition in Budapest.

He has been Principal Cellist of the Philharmonia Hungarica, the Frankfurt Radio Symphony Orchestra and Cello Professor at the Academy of Music and Fine Arts in Frankfurt. Currently he is Cello Professor at the University of Music in Karlsruhe. Throughout his career he has been awarded at the Franz Liszt Prize and the Junior Prima Prize, both by the Hungarian Ministry of Culture.

László also performed on prestigious concert halls around the world, such as the Concertgebouw in Amsterdam, the Wigmore Hall in London and the Gasteig in Munich, and as a soloist he performed with Singapore Symphony Orchestra, Korean Symphony Orchestra, Frankfurt Radio Symphony Orchestra, Beethoven Orchester Bonn, Staatskapelle Weimar, Orchestra Metropolitana de Lisboa, Lancaster Symphony Orchestra, Shanghai, Christchurch Philharmonic Orchestra and Bogota Philharmonic Orchestra.

He performed on prestigious concert halls around the world, such as the Concertgebouw in Amsterdam, the Wigmore Hall in London and the Gasteig in Munich, and as a soloist he performed with Singapore Symphony Orchestra, Korean Symphony Orchestra, Frankfurt Radio Symphony Orchestra, Beethoven Orchester Bonn, Staatskapelle Weimar, Orchestra Metropolitana de Lisboa, Lancaster Symphony Orchestra, Shanghai, Christchurch Philharmonic Orchestra and Bogota Philharmonic Orchestra.