Melissa Kleinbart, occupant of the Katharine Hanrahan Chair, joined the SFS in 1998 after serving as associate concertmaster with the San Francisco Opera orchestra and assistant concertmaster with the Vancouver Symphony. In addition to solo appearances with the Philadelphia Orchestra, Vancouver Symphony, and New York Symphonic Ensemble, Ms. Kleinbart has been a participant at the Marlboro and Tanglewood music festivals and has performed with the Chamber Music Society of Lincoln Center. A graduate of the Juilliard School, she performs and teaches with the San Francisco Academy Orchestra.

(September 2018)

Dan Carlson joined the SFS in 2006. He currently serves as Principal Second Violin, occupying the Dinner & Swig Families Chair. He previously served as rotating concertmaster for the New World Symphony and he has made solo appearances with the Phoenix Symphony, Chicago String Ensemble, New World Symphony, and the Prometheus Chamber Orchestra. A graduate of the Juilliard School, he has performed chamber music extensively throughout New York. Mr. Carlson performs and teaches with the San Francisco Academy Orchestra.

Jonathan Vinocour joined the San Francisco Symphony as Principal Viola in 2009 and was previously principal viola of the St. Louis Symphony and guest principal of the Leipzig Gewandhaus Orchestra and Chicago Symphony. He has frequently soloed with the SF Symphony and has also played concertos with the St. Louis Symphony, La Jolla Music Society, Mainly Mozart Festival Orchestra, and New World Symphony. With NWS, he is also a frequent coach and was a featured artist at their Viola Visions Festival alongside Tabea Zimmerman, Kim Kashkashian, Roberto Diaz, and Cynthia Phelps.
 
As a chamber musician, Mr. Vinocour is a regular guest of the Seattle Chamber Music Society, La Jolla Music Society SummerFest, Marlboro Music Festival, Bridgehampton Chamber Music Festival, Salt Bay Chamberfest, and ChamberFest Cleveland. His chamber music partners have included Yefim Bronfman, Yo-Yo Ma, Augustin Hadelich, Jean-Yves Thibaudet, Igor Levit, and James Ehnes, among others. He also performs frequently on the SF Symphony Chamber Music Series and as a recitalist around the country.  
 
Mr. Vinocour graduated from Princeton University with a degree in chemistry and from New England Conservatory, where he studied with Kim Kashkashian. An active and dedicated teacher, he serves on the faculty of the San Francisco Conservatory of Music as well as the Aspen Music Festival and School. He plays on a 1784 Lorenzo Storioni viola on loan from the SF Symphony.
 
(1/2024)

Katie Kadarauch joined the San Francisco Symphony in 2007 as Assistant Principal Viola. A native of the Bay Area, she was principal viola of the SF Symphony Youth Orchestra and earned a bachelor’s degree and graduate diploma from the New England Conservatory. She also studied at the Colburn School, during which time she performed with the Los Angeles Philharmonic and recorded film scores. She plays on a Peter Rombouts viola ca.1720, on loan from the SF Symphony.

Matthew Young joined the SFS viola section in 2012. He was a founding member of the Verklärte Quartet, which won grand prize in the 2003 Fischoff National Chamber Music Competition. He currently performs as a member of Ensemble San Francisco. Winner of a 2007 McKnight Artist Fellowship for Performing Musicians and the Robert Vernon Prize for Viola Performance, he attended the University of Kentucky, Yale School of Music, and Cleveland Institute of Music. 

(November 2019)

Amos Yang joined the San Francisco Symphony in 2007 as Assistant Principal Cello and holds the Karel & Lida Urbanek chair. He was previously a member of the Seattle Symphony and a member of the Maia String Quartet. 

Born and raised in San Francisco, he was a member of the SF Symphony Youth Orchestra and San Francisco Boys Choir. He earned bachelor’s and master’s degrees from the Juilliard School and now serves on the faculty of the San Francisco Conservatory of Music and the San Francisco Academy Orchestra.

James Button was appointed Associate Principal Oboe of the San Francisco Symphony in September 2017. A native of Australia, he made his solo debut with the Melbourne Symphony at the age of 17. He later attended Temple University and the Juilliard School under the tutelage of Jonathan Blumenfeld and Eugene Izotov respectively. He has also studied with John Mack, John de Lancie, and Joseph Turner. Mr. Button was previously a member of the Nashville Symphony, Santa Fe Opera Orchestra, New World Symphony, and has appeared as guest principal with the Chicago Symphony, Philadelphia Orchestra, Los Angeles Philharmonic, and Melbourne Symphony. He has performed at the Verbier, Edinburgh, and Tanglewood festivals, as well as Italy’s Spoleto Festival dei Due Mondi and the Santa Fe Chamber Music Festival. His live recording of Jennifer Higdon's Oboe Concerto with the Nashville Symphony won a Grammy Award in 2018.

Jerome Simas joined the San Francisco Symphony as bass clarinet in 2012. Prior to that, he was principal clarinet with the California Symphony, Oakland Symphony, Modesto Symphony, Monterey Symphony, and IRIS Orchestra. He has also performed with the Cleveland Orchestra, Dallas Symphony, San Francisco Opera, San Francisco Ballet, Sun Valley Summer Symphony, Chautauqua Symphony, and Naples (Florida) Philharmonic.
 
Mr. Simas is a member of the Left Coast Chamber Ensemble and performs with the Sierra Chamber Society and on the SF Symphony chamber music series. He won grand prize at the Fischoff National Chamber Music Competition, first prize at the Yellow Springs Chamber Music Competition, and first prize at the International Clarinet Association’s Young Artist Competition, and participated in the Marlboro Music Festival, National Repertory Orchestra, and Tanglewood Music Center. Previously a fellow at the New World Symphony, he is featured in Gershwin’s Rhapsody in Blue and Stravinsky’s Ebony Concerto on the New World Symphony’s RCA Victor Red Seal recording New World Jazz with Michael Tilson Thomas.
 
A dedicated music educator, Mr. Simas is professor of clarinet and chamber music at the San Francisco Conservatory of Music and is a coach with the San Francisco Symphony Youth Orchestra. He received his bachelor’s and master’s degrees from the Cleveland Institute of Music, where he studied with Cleveland Orchestra principal clarinet Franklin Cohen.

Carey Bell joined the San Francisco Symphony as Principal Clarinet in 2007 and holds the William R. & Gretchen B. Kimball Chair. This week’s concerts mark his seventh solo appearances with the Symphony, having previously performed Nielsen’s Clarinet Concerto with Herbert Blomstedt, Debussy’s Premiere Rhapsodie and Bernstein’s Prelude, Fugue, and Riffs with Michael Tilson Thomas, and Mozart’s Clarinet Concerto on three occasions with Jaap van Zweden, Bernard Labadie, and Esa-Pekka Salonen.

Cultivating a career in the Bay Area for over two decades, Mr. Bell has performed with numerous local orchestras and chamber ensembles. He is a former member of the San Francisco Contemporary Music Players and has participated in several other local contemporary music groups. His summer engagements have included the Marlboro Music Festival, Music@Menlo, Oregon Bach Festival, and Telluride Chamber Music Festival. Notable chamber performances include collaboration with violist Scott St. John and pianist Jonathan Biss for San Francisco Performances, and Lukas Foss’s Echoi with Jeremy Denk, Peter Wyrick, and Jack van Geem, as part of the San Francisco Symphony’s 2012 American Mavericks tour, culminating in a performance at Carnegie Hall’s Zankel Hall.

Mr. Bell was born and raised in Eugene, Oregon, where he developed his musical skills as a pianist, singer, and composer. After taking up clarinet at age 12, he studied for several years with Cindi Bartels. He received several honors as a young clarinetist, and he wrote a symphonic overture performed by the Oregon Symphony in 1992. For his undergraduate work, he studied with Fred Ormand at the University of Michigan and pursued a composition degree with William Bolcom, Bright Sheng, Michael Daugherty, and Evan Chambers. As a student, he participated in summer fellowships at Tanglewood and Music Academy in Santa Barbara. After graduating he continued his clarinet studies with Larry Combs, then principal clarinet of the Chicago Symphony.

Mr. Bell spent one year as a member of the Civic Orchestra of Chicago before winning his first audition for principal clarinet of the Syracuse Symphony in 1998. He became principal of the San Francisco Opera Orchestra in 2001, and has served as acting principal of the San Francisco Ballet Orchestra and guest principal of the Philadelphia Orchestra. Mr. Bell teaches at the San Francisco Conservatory of Music and formerly taught at Stanford University.

Stephen Paulson joined the San Francisco Symphony as Principal Bassoon in 1977, and stepped into the Associate Principal position at the end of 2023. Also a conductor, he has served as Music Director of Symphony Parnassus since 1998. He is a graduate of the Eastman School of Music, where he studied bassoon with K. David Van Hoesen and Mordechai Rechtman, and composition with Samuel Alder. He has served as principal bassoon with the Rochester Philharmonic and co-principal bassoon of the Pittsburgh Symphony. Mr. Paulson has given masterclasses at colleges worldwide, including the Juilliard School, the Manhattan School of Music, New England Conservatory, and the Shanghai Conservatory. He is longtime Professor of Bassoon at the San Francisco Conservatory of Music. For more on Stephen Paulson, visit sfsymphony.org/stephenpaulson.

Rob Weir joined the SFS in 1991. Born and raised in Weyburn, Saskatchewan, Canada, Mr. Weir trained at the Curtis Institute of Music. Prior to his appointment with the SFS, he served as principal bassoon of the Chamber Symphony of San Francisco and the California Symphony. Mr. Weir has served on the faculty of the San Francisco Conservatory of Music and was previously a coach for the SFS Youth Orchestra.  

(September 2019)

Bruce Roberts joined the SFS in 1988 and currently serves as Assistant Principal Horn. He studied with George Cable of the San Diego Symphony, with Fred Fox and Lawrence Christianson at California State University Northridge, and with Ralph Pyle at the California Institute of the Arts. He was a founding member of La Orquesta Filarmónica de la Ciudad de México was previously a member of the Utah Symphony. Mr. Roberts teaches at the San Francisco Conservatory of Music, appears regularly at the Grand Teton Music Festival, and has also performed as a soundtrack recording artist.

(November 2019)

Jessica Valeri joined the San Francisco Symphony horn section in 2008. Prior to her appointment, she was a member of the St. Louis Symphony, Colorado Symphony, Grant Park Orchestra, and Milwaukee Ballet Orchestra. She has also performed with the Milwaukee Symphony, Richmond Symphony, Lyric Opera of Chicago, and the International Contemporary Ensemble, and participated in the Grand Teton Music Festival, Lakes Area Music Festival, and Mainly Mozart.

A native of Minnesota, Ms. Valeri holds degrees from the University of Wisconsin-Madison and Northwestern University, and she currently serves on the faculty at the San Francisco Conservatory of Music.

Russ de Luna joined the San Francisco Symphony Orchestra as English Horn in 2007 and holds the Joseph & Pauline Scafidi Chair. In the 2022–23 season, he appears as soloist with the orchestra in the US premiere of Outi Tarkiainen’s Milky Ways, and he was previously featured in Aaron Copland’s Quiet City and Jean Sibelius’s The Swan of Tuonela under the direction of Michael Tilson Thomas and Esa-Pekka Salonen. He appears regularly on the San Francisco Symphony chamber music series.

Mr. de Luna has also performed with the Atlanta Symphony, St. Louis Symphony, Chicago Symphony, Cleveland Orchestra, and New York Philharmonic, where he soloed in The Swan of Tuonela. He spent three summers as a member of the Saito Kinen Orchestra in Japan under the direction of Seiji Ozawa and is now the English Horn for the Sun Valley Music Festival Orchestra.

A graduate of Boston University and Northwestern University, Mr. de Luna now teaches at the San Francisco Conservatory of Music and coaches the oboe section of the SF Symphony Youth Orchestra.