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Thomas Derthick

Associate Professor of Practice in Double Bass and Chamber Music


Phone: 209.946.2511

Office Hours

Tuesdays, 3 pm - 6 pm or by appointment


BM, California State University, Sacramento

MM, California State University, Sacramento

Curriculum Vitae 

Thomas Derthick has been at University of the Pacific's Conservatory of Music since 1988. The long-time Principal Bassist of the Sacramento Symphony, Mr. Derthick is currently Principal Bassist of the Sacramento Philharmonic, Opera, Ballet and Choral Society. For 25 years he was also Principal of the Cabrillo Festival, America's foremost Contemporary Music Festival in Santa Cruz, CA. He frequently performs with the Chamber Music Society of Sacramento and the Empyrean Ensemble, with whom he has recorded and toured. Other performances include the San Francisco Symphony, San Francisco Opera, San Diego Symphony and Oregon Symphony, as well as recording work and Broadway shows.

In 2000 Mr. Derthick was named Music Director of the Pacific Youth Symphony, where he has helped expand performances, enrollment and community outreach while maintaining their presence on the Pacific campus. Recent guest conducting appearances included Link Up concerts given by the Sacramento Philharmonic, concerto concerts sponsored by the American Guild of Organists in Sacramento, and the Honor Orchestras of San Joaquin County, CMEA Capital Section, and Tracy Unified Schools. He retired from this position in 2020.

Mr. Derthick holds the BM degree in Performance and the MM degree in Instrumental Conducting from Sacramento State University. His bass teachers include Abe Luboff, Stuart Sankey, Murray Grodner and Dennis Trembly; his conducting studies were with Leo Eylar and Peter Jaffe. Mr. Derthick currently serves as Vice President of the American Federation of Musicians, Local 12, and is a member of the American String Teachers Association, International Society of Bassists, Northern California Bass Club, Phi Kappa Phi and Pi Kappa Lambda. In 2014, he was honored for Outstanding Achievement in Arts Education for Music by the Stockton Arts Commission.

At Pacific, Mr. Derthick teaches applied studies in string bass, coaches in the Chamber Music program, and leads a class in Orchestral Repertoire and Audition Techniques for all orchestral performance majors. His university and private studios have helped launch many students into major graduate conservatory programs and major professional orchestras. Mr. Derthick formerly served as Applied Music Coordinator for Strings and has appeared with the University Symphony Orchestra both as a soloist and guest conductor.