Icelandic pianist. He has performed with leading orchestras in Europe and America, including the Los Angeles Philharmonic, Philharmonia Orchestra, New York Philharmonic, Berlin Philharmonic, Royal Concertgebouw Orchestra, London Philharmonic Orchestra, Cleveland Orchestra, Tonhalle Orchestra, Czech Philharmonic, and Santa Cecilia, and with such conductors as Thomas Adès, Esa-Pekka Salonen, and Santtu-Matias Rouvali