Charles Chandler is the first member of the SFS Youth Orchestra to have become a member of the San Francisco Symphony. He studied with Shinji Eshima of the San Francisco Opera Orchestra and with David Walter at Juilliard. Prior to joining the SFS in 1992, he performed at the Schleswig-Holstein Festival and served as associate principal bass of the Phoenix Symphony.

(September 2018)

Bowen Ha

Bass

Bowen Ha joins the San Francisco Symphony bass section at the beginning of the 2024–25 season. He is currently a master’s student at the Juilliard School, studying with Timothy Cobb and Harold Robinson, and has appeared as a substitute musician with the New York Philharmonic, Philadelphia Orchestra, and Indianapolis Symphony.

Born in Shanghai, Ha studied at the Middle School Affiliated to Shanghai Conservatory and then moved to the United States to study at Interlochen Arts Academy. He subsequently earned a bachelor of music at Juilliard. He has participated in festivals including the Pirastro Strings Elite Soloists Program at the University of North Texas, Verbier Festival Orchestra, and Aspen Music Festival as an orchestral leadership fellow.

Ha has been a prizewinner at numerous competitions including the Tang Rhyme Carnival International Double Bass Competition, Shanghai Conservatory Concerto Competition, Jacqueline Avent Concerto Competition of the Sewanee Summer Music Festival, Louisiana Bass Fest, International Concerto Competition of the Master Players Festival & School, and Juilliard Double Bass Concerto Competition.

Orion Miller

Bass

Orion Miller joins the San Francisco Symphony bass section at the beginning of the 2024–25 season. He previously performed with the London Symphony as a Keston Max Fellow, as a substitute musician with the Houston Symphony, and with the Royal Concertgebouw Orchestra in a side-by-side performance at Carnegie Hall. He also served as principal bass for the National Youth Orchestra of the United States and the New York String Orchestra Seminar.

Miller began playing cello at the age of three and switched to bass at age 11. He earned a bachelor’s degree from the Shepherd School of Music at Rice University, where he studied with Timothy Pitts. He has been a fellow at the Tanglewood Music Center, Music Academy of West, and Aspen Music Festival. His accolades include first prize in the Ruth Burr Competition and second prizes in the Lynn Harrell Competition and International Society of Bassists Orchestral Competition. He is also a two-time finalist and winner at the National YoungArts Foundation.

Daniel G. Smith

Bass

Daniel G. Smith was appointed Associate Principal Bass of the San Francisco Symphony in 2017. He previously served as principal bass of the Santa Barbara Symphony, and he was a member of the San Diego Symphony. He has served as guest principal and associate principal bass with the Los Angeles Chamber Orchestra, and guest principal of the Lakes Area Music Festival in Brainerd, MN. Mr. Smith received his Bachelor of Music from Rice University's Shepherd School of Music under the tutelage of Timothy Pitts.

Melissa Kleinbart

Violin

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)

Amos Yang

Cello

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.

John Wilson

Piano

John Wilson performs as a pianist with the San Francisco Symphony and San Diego Symphony, and serves as principal keyboard for the Marin Symphony. In 2026–27 he gives the Bay Area premiere of Caroline Shaw’s piano concerto Watermark and appears as soloist in Rachmaninoff’s Piano Concerto No. 2 with the San Francisco Philharmonic. He has performed Philip Glass’s Piano Concerto No. 1 with the Chamber Orchestra of New York at Carnegie Hall and Beethoven’s Triple Concerto at the Sun Valley Music Festival, and has toured with the San Francisco Symphony under Michael Tilson Thomas and Esa-Pekka Salonen.

Wilson performed on the Grammy-winning San Francisco Symphony recordings of Meditations on Rilke and Adriana Mater. His Avie Records debut featured the world premiere of MTT’s Upon Further Reflection; he also appears on Pentatone’s Grace: The Music of Michael Tilson Thomas. He has premiered works by John Adams, Steve Reich, Timo Andres, and Gabriela Lena Frank. Wilson is a Steinway Artist.

Chen Zhao

Second Violin

Chen Zhao joined the San Francisco Symphony second violin section in 2000 and was previously a member of the New World Symphony. He is also a professor of violin at the San Francisco Conservatory of Music and a violin coach for the SF Symphony Youth Orchestra.

As a soloist, Zhao has appeared with the SF Symphony, SF Symphony Youth Orchestra, Camellia Symphony, Oslo Chamber Orchestra, Stanford Symphony, Cal Poly Symphony, UC Davis Symphony, and Curtis Symphony. He has also toured extensively across the United States, Europe, and Asia, including appearances at the Ravinia Festival, La Jolla Music Society, Sun Valley Music Festival, Round Top, Santa Fe Chamber Music Festival, Evian Rencontres Musicicales, Pacific Crest Music Festival, BBC Proms, and Lucerne Festival.

Zhao is a native of Shanghai and showed an early interest in music, playing a makeshift violin—a chopstick and pencil box—until receiving a one-eighth-size violin on his fourth birthday. He studied with his uncle Ronghao Nie and gave his first public performance at the Shanghai Children’s Palace at age six. He later studied at the Shanghai Conservatory, Crossroads School for Arts and Sciences, Curtis Institute of Music, and San Francisco Conservatory of Music. His teachers include Jiaxiang Zhou, Jiyang Zhao, Heiichiro Ohyama, Felix Galimir, and Camilla Wicks, along with members of the Amadeus, Guarneri, Vermeer, Juilliard, and Borodin quartets.

Davis You

Cello

Davis You joined the San Francisco Symphony cello section at the beginning of the 2024–25 season and holds the Lyman & Carol Casey Second Century Chair. He earned his bachelor of music from New England Conservatory, where he studied with Laurence Lesser and Paul Katz, and regularly appeared as principal cello of the NEC Philharmonia. He was a member of Quartet Luminera, which won the silver medal at the Fischoff National Chamber Music Competition. A Bay Area native, You began his cello studies with Irene Sharp and Jonathan Koh. He has appeared on NPR’s From the Top, San Francisco International Piano Festival, Wellesley Chamber Players Series, Taos Chamber Music Festival, and Norfolk Chamber Music Festival.

Blair Francis Paponiu

Flute

Blair Francis Paponiu joined the San Francisco Symphony as Associate Principal Flute, holding the Catherine & Russell Clark Chair, at the beginning of the 2023–24 season. She previously held the Susan and Tom Brown Chair as assistant principal and second flute with the Naples Philharmonic in Florida, and performed with the New York Philharmonic as acting section flute for two seasons. She has also been a member of the Austin Symphony and has performed with the Chicago Symphony, Cleveland Orchestra, and Oregon Symphony.

The recipient of numerous awards, Mrs. Francis Paponiu won second prize in the 2020 National Flute Association’s Young Artist Competition. She has been an instrumental fellow at the Tanglewood Music Center, Music Academy of the West, Sarasota Music Festival, and Brevard Music Center.

She received a professional studies certificate in orchestral performance from the Manhattan School of Music, a master of music from the University of Texas at Austin, and a bachelor of music from the University of South Carolina, where she graduated summa cum laude and received the Presser Scholar Award. Her teachers include Robert Langevin, Marianne Gedigian, Jennifer Parker-Harley, and Cynthia Hopkins.

Matthew Griffith

Clarinet

Matthew Griffith joined the San Francisco Symphony as Associate Principal and E-flat Clarinet at the beginning of the 2022–23 season. He previously served as acting assistant principal clarinet with the North Carolina Symphony and the Nashville Symphony and was a member of TŌN (The Orchestra Now), a graduate-level training orchestra based at Bard College.

Mr. Griffith has performed as guest soloist with the Boston Pops, Milwaukee Symphony, Ocean City Pops, Eastern Connecticut Symphony, United States Army Field Band, and “The President’s Own” United States Marine Band. In 2014 Yale University published The Algorithm of Jazz, a video following his experience performing Artie Shaw’s concerto with the Yale Symphony Orchestra.

After graduating from Yale University with distinction in both majors of music and computer science, Mr. Griffith earned graduate degrees in clarinet performance at the New England Conservatory. He was a Tanglewood Music Center fellow, where he was awarded the Gino B. Cioffi Memorial Prize and returned as a New Fromm Player. His teachers included Michael Wayne, David Shifrin, Todd Levy, and Jill Hanes. He grew up in Sheboygan, WI, and enjoys writing computer code and designing videogames.

Jessica Valeri

Horn

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.

Justin Cummings

Bassoon

Justin Cummings joined the San Francisco Symphony bassoon section at the beginning of the 2023–24 season, and was appointed Associate Principal Bassoon in fall 2026. He was previously principal bassoon of the Knoxville Symphony and a fellow of the New World Symphony under Michael Tilson Thomas. He has also performed as a guest with the Los Angeles Philharmonic, Royal Philharmonic Orchestra, and Saint Paul Chamber Orchestra. He is an alumnus of the San Francisco Symphony Youth Orchestra and the San Francisco Conservatory of Music, where he studied with SF Symphony Principal Bassoon Stephen Paulson. He went on to complete graduate studies with Richard Beene at the Colburn School in Los Angeles.

Matthew Young

Viola

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)

Russ de Luna

Oboe

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.

Polina Sedukh

Violin

POLINA SEDUKH, a native of Saint Petersburg, Russia, joined the San Francisco Symphony in 2007. She was previously a member of the Boston Symphony and made her solo debut with the Chamber Orchestra of Liepaya in Latvia at age of seven, followed by recital tours in US, Germany, and Austria.

Olivia Chen

Violin

Olivia Chen joined the San Francisco Symphony’s second violin section at the beginning of the 2023–24 season. Born in Houston and a longtime resident of Maryland, she began her violin studies at the age of four. She was a Tanglewood fellow for two summers, serving as concertmaster of the Tanglewood Music Center Orchestra. She has also performed with the New York String Orchestra at Carnegie Hall and with the Baltimore Symphony. Ms. Chen pursued her undergraduate studies at the Peabody Institute of the Johns Hopkins University, where she won the Marbury Violin Competition, the Melissa Tiller Violin Prize, and the Sidney Friedberg Prize in chamber music. Her teachers include Herbert Greenberg and Victor Danchenko.

Leonid Plashinov-Johnson

Viola

Leonid Plashinov-Johnson joined the San Francisco Symphony viola section at the beginning of the 2022-23 season. Previously a member of the St. Louis Symphony, he is a laureate of multiple competitions, most recently the Primrose International Viola Competition, and has participated in the Yellow Barn, Ravinia, and AIMS festivals. Born in Russia, he graduated from New England Conservatory, where he won the concerto competition.