Robert Chen has been concertmaster of the Chicago Symphony Orchestra since 1999. During his years as the CSO concertmaster, he has been featured as soloist with Riccardo Muti, Daniel Barenboim, Pierre Boulez, Bernard Haitink, Christoph Eschenbach, Charles Dutoit, Ton Koopman, Osmo Vänskä, Vasily Petrenko, Nicholas Kraemer and James Conlon. He gave the CSO premiere of György Ligeti’s Violin Concerto, Elliott Carter’s Violin Concerto, and Witold Lutoslawski’s Chain Two, as well as the world premiere of Augusta Read Thomas’s Astral Canticle.