Mill Valley Philharmonic -- Marin County's Premier Volunteer Orchestra making orchestra music accessible by providing affordable orchestra concerts.


Elizabeth Dinsel, President


Elizabeth Dinsel is a management consultant and technology executive with deep leadership and governance experience.  She joined the Board in 2012 and was elected president in 2015. Elizabeth is also a clarinet player in the orchestra.

Pat Hager, Treasurer

Pat Hager has been a resident of Mill Valley for over 40 years and has been the treasurer of MVP since 2007. She was a recipient of the 2017 Volunteer of the Year award from the Association of California Symphony Orchestras, an honor she cherishes.  Pat’s entire career has been in the accounting profession.

Nance Becker, Secretary

Nance Becker is recently retired from her long-time career as a civil attorney. She has played flute since childhood. She has been MVP's principal flutist since 2002, and also performs with the Presidio Woodwind Quintet. Nance joined the MVP Board in 2005. In addition to the role of Secretary, she works on communications and special events and advises the Board about legal issues.

Seth Jaffe

Seth Jaffe is Executive Vice President and General Counsel of Levi Strauss & Co. and leads the global legal department in its support of businesses operating in over 110 countries. He is responsible for all aspects of legal, ethics and compliance, global security, and governance matters, in addition to acting as counselor to the board of directors and executive leadership. He is a member of the company’s Executive Committee and Global Leadership Team.  Seth also oversees the Levi Strauss Foundation.

Beth Maxon

Beth Maxon began playing flute and piccolo with MVP in 2011. She has worked with local nonprofits in Marin County and brings marketing, donor communications, and operations experience to the MVP board.

Jay Williams

Jay Williams graduated from the University of California, Berkeley with a degree in music, which he promptly shelved in order to earn a living. He was an active volunteer in San Francisco schools, but missed his musical life. His midlife crisis was to start playing the French Horn. He found a home in the MVP horn section 10 years ago, and he persisted. He served on MVP's Artistic Director/ Conductor search committee, and joined the Board soon after. When he’s not practicing the horn he’s enjoying Marin County’s twisty roads on his motorcycle.


Richard Aldag, Executive Director

Richard Aldag has served as the Executive Director of the Napa Valley Symphony, the San Francisco Chamber Orchestra and Lincoln Theater Napa Valley, among other leadership positions. He has also consulted with a variety of Bay Area arts organizations in the areas of fundraising and strategic planning as Founder/Principal of Aldag Arts Consultants and with Nancy E. Quinn Associates. Aldag holds a Ph.D. in Music from the City University of New York Graduate Center and is an acclaimed composer.

Contact us

Email :

Phone : (415) 383-0930

Mill Valley Philharmonic

38 Miller Avenue, PMB 474

Mil Valley, CA 94941

Mill Valley Philharmonic is a 501c(3) non profit corporation (tax ID #13-4227208)

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