As a violinist and violist of world class status, Isabelle van Keulen has an established reputation on many renowned concert stages. Due to her charisma and musical versatility, she is one of the most sought-after musicians of her generation. She appears regularly with the leading orchestras of Europe, North America and Japan under conductors such as Thomas Dausgaard, Sir Mark Elder, Valery Gergiev, Philippe Herreweghe, Neeme and Paavo Järvi, Sir Neville Marriner, Andris Nelsons, Sir Roger Norrington, Joseph Swensen, Osmo Vänskä, Mario Venzago, Hugh Wolff and David Zinman. Her intensive engagement in the performance of contemporary music is also reflected in her extensive discography which, in addition to concertos by Haydn, Mozart, Vieuxtemps, Saint-Saëns and Bruch, includes works by Stravinsky, Lutoslawski, Schnittke and Dutilleux as well as the Violin Concerto by Erkki-Sven Tüür, which also is dedicated to her. In the field of chamber music, Isabelle van Keulen will celebrate twenty years of successful duo performances with the pianist Ronald Brautigam in 2010. She plays a violin made by Joseph Guarnerius del Gesù in 1734; her viola was made by Peter Greiner.