シャルル・デュトワ
Okonşar performed with the following orchestras: Utah Symphony, deFilharmonie (Royal Flemish Philharmonic), Poznan Philharmonic and Lublin Philharmonic. Some of the conductors he played with: Joseph Silverstein, Charles Dutoit, Sylvain Cambreling, Ingo Metzmacher, Christof Escher.