Yolo County Library Foundation

Who We Are

YCLF Board of Directors

Lynnel Pollock, Chair

Lynnel has a broad agricultural and community service background, including eight years on the Yolo County Board of Supervisors (1997-2004) and prior service on the Yolo County Planning Commission.

She is a Friends of the Yolo Branch Library Board member and a Yolo Fire Protection District Commissioner. She is also president of the Yolo Land Trust and a board member of various water related entities. Most recently Lynnel served as the executive director of the Cache Creek Conservancy until her retirement in 2015.

Lynnel and her husband Herb farm in northern Yolo County, growing a variety of row crops, grains, and walnuts. Lynnel graduated from Stanford University with a degree in biological sciences and participated in the California Agricultural Leadership Program.

Camille Chan, Vice Chair

Camille was born and raised in the San Francisco Bay Area and moved to Davis in 1972.

Camille graduated from University of California, Berkeley with B.S. in business and later M.S./M.I.S. from Sacramento State University. She worked for 20 years in the Information Technology field and 10 years in Human Resources. She is retired and serves on various community boards.

Sally Brown, Treasurer

Sally has lived in Winters since 1996 and was drawn to the community because it reminded her of the small town in Massachusetts where she was born.

Sally’s background and training is in social welfare.  She appreciates the value that libraries play in providing resources and connecting people. Sally has been a life-long volunteer, with her very first volunteer experience being in the children’s library in her hometown when she was in elementary school. Sally has been on the board of the Winters Friends of the Library (WFoL) since 2001, serving in every board role.

Chris Crist, Secretary

Chris worked for the Yolo County for 38 years, retiring in December 2017. At the County Library, she worked as a financial manager, Assistant County Librarian, and Interim Library Administrator. During her tenure with the Library she was part of the team managing building projects for new libraries in Winters and West Sacramento, as well as the remodel of the Davis Library.

Chris has been a member of the Yolo County Library Foundation since inception, and resides in Woodland.

Mary L. Stephens DeWall

Mary Stephens DeWall is a native of Yolo County. She was raised on a ranch in Hungry Hollow, north of Esparto.

Mary served as Yolo County Librarian from 1969 – 2006.

Sharon Hallberg

Sharon Hallberg currently serves as chair for the Yolo Country Library Advisory Board and has represented the City of Davis on the Advisory Board since 1986. Sharon was an English and journalism teacher and a teacher/librarian for Davis Senior High from 1970- 2006.

She is a graduate of University of California, Davis (’68) plus credential (’69) and earned a M.L.S. from the University of Denver (’80).

Mark Fink, Yolo County Librarian, ex officio

Mark has lived in Northern California for over 20 years. He was appointed Yolo County Librarian and Chief Archivist in 2017. Mark has also worked in management and executive roles for libraries in Contra Costa, Santa Clara and Solano Counties.

Mark earned a B.S. from Willamette University, M.L.I.S. from San Jose State University, M.P.A. from Golden Gate University, and J.D. from McGeorge School of Law.


The Yolo County Library Foundation was established in December 2016 with an anonymous donation.  A fund was established with the Yolo Community Foundation, an affiliate of the Sacramento Region Community Foundation.

A founding Board of Directors was established in 2017 and YCLF became a nonprofit organization that obtained tax exempt status from both the IRS and the California State Franchise Tax Board in 2018.

Policies and Finances