sentences:  He has performed in Europe, Asia, Australasia and both North and South America as a soloist.He is closely associated with composers such as Brian Ferneyhough, Michael Finnissy, Richard Barrett, Chris Dench and Liza Lim, as well as frequently performing such composers as Pierre Boulez, Helmut Lachenmann and Vinko Globokar.He is also a conductor and co-director of the ensemble Libra, as well a member of the ELISION Ensemble.