 His Los Angeles Philharmonic debut was in 1993 at the Hollywood Bowl.His New York Philharmonic debut was on 19 May 1999.With the Philadelphia Orchestra, he conducted over 30 concerts between 1999 and 2007, including deputising for the orchestra's then-outgoing music director Wolfgang Sawallisch on a 2003 tour of North and South America, when Sawallisch became too ill to travel.