A dedicated chamber music musician, he is a member of the Johannes String Quartet and the Weiss – Kaplan – Stumpf Trio, and has appeared on the chamber music series at Carnegie Hall, Alice Tully Hall, Kennedy Center, the Boston Celebrity Series, the Da Camera Society in Los Angeles, Walt Disney Concert Hall, the Cologne Philharmony, the Concertgebeow in Amsterdam, and at Casals Hall in Tokyo. He has performed with the chamber music societies of Boston, Brooklyn, Chicago and Philadelphia and at the Casals Festival in Puerto Rico, as well as the Festivals of Marlboro, Santa Fe, Bridgehampton, Ottawa, Portland, Great Lakes, Ojai, Spoleto, and Aspen. He has toured with Music from Marlboro, the Casals Hall Ensemble in Japan, and with pianist Mitsuko Uchida in performances of the complete Mozart Piano Trios. He has collaborated with pianists Leif Ove Andsnes, Emmanuel Ax, Jorge Bolet, Yefim Bronfman, Radu Lupu, Wolfgang Sawallisch, Andras Schiff, Jean Yves Thibaudet, Mitsuko Uchida, and with the Emerson and Guarneri String Quartets. The Johannes Quartet has collaborated with the Guarneri Quartet on tour including commissions from composers William Bolcom and Esa Pekka Salonen.
Concerto appearances have been with the Boston Symphony, the Philadelphia Orchestra, the Los Angeles Philharmonic, the Boston Philharmonic, the Virginia Symphony, the Vermont Symphony, the Connecticut String Orchestra, the Spokane Symphony, the Sioux City Symphony, Chamber Orchestra of the South Bay, at the Aspen Music Festival and at the opening concert of the 2012 Piatigorsky International Cello Festival in Los Angeles. As a recitalist he has performed at the Universities of Hartford, Syracuse, and Delaware, Vanderbilt University, at Jordan Hall in Boston, and at the Philips and Corcoran Galleries in Washington D.C. He has performed the Six Suites for Solo Cello of J. S. Bach on the Philadelphia Chamber Music Society Series and on the Chamber Music in Historic Sites Series in Los Angeles. His awards include first prize in the Washington International Competition, the Graham-Stahl Competition, the Aspen Concerto Competition and 2nd Prize in the Evian International String Quartet Competition.
As a former member of the Boston Musica Viva he has explored extended techniques including microtonal compositions and numerous premieres. As a teacher he has served on the cello faculty of the Hartt School of Music at the University of Hartford, the New England Conservatory, the University of Southern California and guest artist faculty at the Curtis Institute of Music as well as at the Yellow Barn Music Festival and the Musicorda Summer String Program. He has conducted masterclasses at the Curtis Institute of Music, the New England Conservatory of Music, the Royal Conservatory of Music in Toronto, Hong Kong Academy of Performing Arts, Manhattan and Mannes Schools of Music, Seoul National University, Temple University, Vanderbilt University, Pennsylvania State University, and at the Universities of Delaware, Indiana, Iowa and Michigan.