Berkelium String Quartet

About
"The performers presented the music with every aspect of dynamics and tone color as well as artistic nuances of all kinds. Virtuosity in the interest of music. All in all it was a delightful experience." -Piedmont Post
The Berkelium String Quartet is a new chamber ensemble of celebrated Bay Area musicians, founded in September 2024.
They hold degrees from Yale University, Juilliard School of Music, UC Berkeley, Cleveland Institute of Music, and Bern Conservatory of Music. They perform with SF Opera, SF Ballet, SF Chamber Orchestra, New Century Chamber Orchestra, Oakland Symphony, and hold principal positions with Berkeley Symphony, Sacramento Philharmonic and Opera, Santa Rosa Symphony, and West Edge Opera.
They have taught at UC Berkeley, UC Davis, SF State, Mills College, and The Crowden School. These musicians have performed solo and chamber performances across the US and Europe, and collectively, they have premiered hundreds of new works.
Their primary focus as the Berkelium String Quartet is the seminal works of the string quartet repertoire, with a special focus on the sixteen quartets of Beethoven.
Recent performances include Piedmont Center for the Arts, Maybeck Studio, The Hillside Club, Noontime Concerts SF, Arc Gallery, New Parkway Theater, and Music on the Hill. Later this season they will perform several concerts in Nevada for Toiyabe Chamber Music Society.



Daniel Darmesin Flanagan serves as Concertmaster of the Sacramento Philharmonic and Opera, Concertmaster of West Edge Opera, and Instructor of Violin at University of California, Berkeley. Flanagan created The Bow and the Brush, an organization that commissions new music inspired by paintings and sculptures. With over 30 chamber and solo works, he has performed solo recitals across the United States, France, Italy, Croatia and England, including Carnegie Hall, University of California, Boston University, University of Rome, Stern Pissarro Gallery, and The American Library in Paris. Flanagan has performed as concertmaster with the Oakland Symphony, Santa Rosa Symphony, California Symphony, California Musical Theater, Festival Opera, Symphony San Jose, Modesto Symphony, and Opera Parallèle. He performs regularly with the San Francisco Opera, San Francisco Ballet, Trio Solano, and Eco Ensemble.


A familiar face on the San Francisco Bay Area music scene, Karen Shinozaki Sor (violin) is the Principal Second Violin of the Santa Rosa Symphony. She also performs with the Marin Symphony and as a regular substitute in the San Francisco Ballet and Opera Orchestras. As a founding member of the Grammy-nominated New Century Chamber Orchestra, she has concertized across Europe and the United States. Karen is a frequent chamber music collaborator, appearing with diverse groups including the Santa Rosa Chamber Players, Music at the Mission and the Sor Ensemble.
A Bay Area native, she received her BA from UC Berkeley as a student of Serban Rusu of Tiburon, then continued her studies as a recipient of a Hertz Traveling Fellowship at the Konservatorium für Musik Bern, Switzerland with Professor Igor Ozim.
Jacob Hansen-Joseph (viola) has a varied career as a freelance musician in his native Bay Area. Aside from appearing with many of the regional symphony orchestras and with touring Broadway productions, he is a founding member of the Oakland based Town Quartet, the unofficial resident string quartet of Oakland CA. He has been a member of the Schleswig-Holstein, Glimmerglass, and Spoletto festival orchestras as well as the orchestra of the New York City Ballet and is currently principal violist of the Sacramento Philharmonic and Opera and assistant principal violist of the Berkeley Symphony. Joseph has performed in chamber music recitals with members of the Juilliard String Quartet, The Claremont Trio, and with pianist Alon Goldstein and violist Toby Appel, as well as sharing the stage with the likes of Johnny Mathis, The Eagles, The Moody Blues, and Nick Cave among others.
He received his bachelor’s and master’s degrees from Juilliard in the studio of Toby Appel.

Michael Graham (cello) performs with the Oakland Symphony, the San Francisco Ballet, the New Century Chamber Orchestra, Vitamin Em, in San Francisco productions of Broadway musicals, and on tour with singer/songwriter Van Morrison. He has taught and coached at Mills College, San Francisco State University, California State University East Bay, Sacramento State University, Santa Clara University, and the Crowden School. His students have included members, principal cellists, and concerto soloists with the Young People’s Chamber Orchestra and the Young People’s Symphony Orchestra and the San Francisco Youth Orchestra.
