Soloist with more than 100 orchestras throughout the U.S., Europe, and Asia including the New York, Los Angeles, Helsinki, Taipei, and Royal Liverpool philharmonics; National, St. Louis, Dallas, Detroit, San Francisco, and Bournemouth symphonies; English Chamber, Beethovenhalle, and Santa Cecilia orchestras. Premiered viola concertos by Béla Bartók (revised version of Viola Concerto), Joel Phillip Friedman, Rinehold Glière, Gordon Jacob, Aaron Jay Kernis, Henri Lazarof, Detlev Müller-Siemens, David Ott, Krzysztof Penderecki, Tobias Picker, Robert Suter, and Joan Tower. Artist member, Chamber Music Society of Lincoln Center, since 1989. Festival performances at Verbier, Ravinia, Stavanger, Hollywood Bowl, Lincoln Center, Mostly Mozart, and Marlboro. Principal violist of New York Philharmonic for six years, joining at age 21 as the youngest principal string player in the Philharmonic's history. Featured on CBS's Sunday Morning, Garrison Keillor's A Prairie Home Companion, and in Strad, Strings, and People magazines. Avery Fisher Career Grant, 1989. First prizes, Whitaker, D'Angelo, Lionel Tertis International competitions. A two-time Grammy nominee, he has recorded on numerous record labels including Decca, Deutsche Grammophon, RCA Red Seal and Sony Classical. Faculty, Mannes College The New School for Music, The Juilliard School.