About the Delta Conservancy Board

Board Chair

Katherine Miller

Kathy Miller was elected to the Board of Supervisors in June 2014 and served as Board Chair in 2015.   Previously, she served on the Stockton City Council 2009 – 2014, and as Vice Mayor 2009 – 2012.  She currently represents San Joaquin County in many capacities, including San Joaquin General Hospital, the Homelessness Task Force, the Children & Youth Task Force, San Joaquin County Employees Retirement Association and as Chair of the San Joaquin Council of Governments.

Kathy continues her leadership on regional water issues with the Five Delta Counties Coalition, San Joaquin Delta Coalition, and as Chair of both the San Joaquin Area Flood Control Agency and the Sacramento-San Joaquin Delta Conservancy.  In addition, she previously held leadership positions on the Northeastern San Joaquin County Groundwater Banking Authority and rose to the rank of Second Vice President of the state-wide League of California Cities. Kathy Miller and her husband, Karl, have been married 40 years, have three grown children and two grandchildren.

Organization: Supervisor, San Joaquin County


Board Vice Chair

Dolores “Dolly” Sandoval

Dolly Sandoval was appointed by the Governor to serve on the Conservancy Board. Sandoval currently serves as Vice-Chair of the Valley Transportation Authority (VTA) Board of Directors and as a Board member of West Valley Community Services. She served two terms on the Cupertino City Council, 1996-2004 and three terms on the Foothill-DeAnza College Board in 1992-2004. She has served on the VTA Policy Advisory Committee, the VTA Citizens Advisory Committee, and on the Board of Directors for the Foothill-DeAnza Colleges Foundation, Council on Higher Education Accreditation and Friends of the River. She is a graduate of University of California, Santa Cruz and the Leadership Development Program of Mexican-American Legal Defense & Education Fund. She also leads whitewater rafting trips as a volunteer guide for Friends of the River. She currently works as a high school math teacher.


Board Members

Michael Cohen

Director of the California Department of Finance, Michael Cohen serves as the Governor’s chief fiscal policy advisor. Prior, he served as Chief Deputy Director of the Department of Fiance from 2011 to 2013. From 1997 to 2010, he worked at the Legislative Analyst’s Office where he served as a local government fianance analyst, Director of State Administration, and Deputy Legislative Analyst. He holds a Master’s Degree in Public Affairs from the Lyndon B. Johnson School at the University of Texas and a Bachelor’s Degree in Urban Studies from Stanford University.

Organization: Director, Department of Finance

Michael Eaton

Mike Eaton operates a small farm west of Galt, CA, on the eastern edge of the Sacramento-San Joaquin Delta. He retired in August 2010 following a career in conservation and environmental policy. Most recently (June 2007 – August 2010), he served as executive director of the Resources Legacy Fund (RLF) and the Resources Legacy Fund Foundation (RLFF), philanthropic organizations which support projects that conserve or restore natural landscapes and marine systems and preserve wildlands. Prior to joining RLF/RLFF, Mike served for more than a decade as Senior Project Director with The Nature Conservancy, overseeing the Conservancy’s work in the Cosumnes River watershed and the North Delta. In that role, he lead the growth of the Cosumnes River Preserve from fewer than 5,000 acres to nearly 50,000 acres. Earlier in his career he worked for the Sierra Club, the Governor’s Office of Planning and Research, and the California Resources Agency. He is married to Charity Kenyon, an attorney specializing in first amendment and appellate law.

Darla L. Guenzler, Ph.D.

Darla Guenzler is the Executive Director of the California Council of Land Trusts. She directs the Council’s statewide programs in the areas of governmental relations, communications, research, and education. She develops statewide and regional priorities and initiatives for land and water conservation, and brings together diverse and effective partnerships to further conservation efforts. She serves as the spokesperson on behalf of the statewide land trust community. She has led numerous collaborative projects on improving the use and management of land protection, as well as developing regional conservation plans and funding strategies. She was previously Associate Director of the Bay Area Open Space Council, is a frequent instructor and member of national committees on land trust issues, and holds a PhD from University of California, Berkeley, in City and Regional Planning with a specialization in land use, planning and conservation.

John Laird

John Laird was appointed California Secretary for Natural Resources by Governor Jerry Brown on January 5, 2011. He has spent 35 years in public service, including 23 years as an elected official. From 1981 to1990, Laird served on the Santa Cruz City Council. He served two terms as mayor and has served as a board member for local transit, transportation, water planning, and regional government agencies. From 2002 to 2008, Laird represented the 27th Assembly District in the California Assembly. He chaired the Budget Committee from 2004 to 2010. Laird authored 82 bills that were signed into law including legislation that established the landmark Sierra Nevada Conservancy, reformed the state mandates system, and significantly expanded water conservation. Most recently, he taught state environmental policy at University of California Santa Cruz. To view Secretary Laird’s full biography, click here.

Organization: Secretary for Natural Resources

Karen Mitchoff

Supervisor Karen Mitchoff was sworn in as Contra Costa County District IV Supervisor in January of 2011. She began her service to the County in the office of former Sherriff-Coroner Richard Rainey. She also worked as a fiscal and administrative analyst for the county’s Employment and Human Services Department, and as Chief of Staff for former Supervisors Sunne Wright McPeak and Mark DeSaulnier. Supervisor Mitchoff served on the Pleasant Hill City Council from 2008 to 2010, and as Mayor in 2010. Supervisor Mitchoff was appointed to the Pleasant Hill Recreation and Park District Board of Directors in 2003 and was elected to that Board in 2004 and 2006. She served as Chair in 2005 and 2006, and served on a variety of committees during her tenure there. Supervisor Mitchoff was appointed to the Pleasant Hill Citizens’ Advisory Committee on Redevelopment in 1988, and also served on the Planning Commission from 1992-1996.

Organization: Supervisor, Contra Costa County

Don Nottoli

Currently serving his fifth term, Don was first elected to the Sacramento County Board of Supervisors in November 1994. Prior to his election, Don served as chief assistant to former Fifth District County Supervisor Toby Johnson for 16 years. Don and his wife Brenda are lifelong residents of Sacramento County, and make their home in the community of Galt. Don is a former member of the Galt City Council and served for more than 17 years as a board member with the Galt High School District Board of Trustees. Both Don graduated from California State University, Sacramento, earning a Bachelor of Arts degree in Government/Journalism. Don is active on many boards including the Delta Protection Commission, Delta Stewardship Council, Sacramento Area Flood Control Agency, and Freeport Regional Water Authority.

Organization: Supervisor, Sacramento County

Jim Provenza

Jim Provenza first entered public office in 2003 as a Member of the Davis Joint Unified Board of Education, where he served as President of the Board of Education from 2006-2007. Jim’s priorities are to preserve and protect open space and farm land in Yolo County, to promote services for seniors, children, crime victims, and the disabled, and to insure that Yolo County is able to provide essential law enforcement services and public safety protection. He has 29 years of county and state government experience, and a long career in public interest law. For the past 15 years, Jim worked as a special assistant district attorney.

Organization: Supervisor, Yolo County

Dan Taylor

Dan Taylor was appointed to the Conservancy Board by the State Assembly. Mr. Taylor has worked with the national and state Audubon societies since 1978, focusing on policy and program development in the area of large scale ecosystem restoration and conservation. Dan brings wide ranging experience in organizational development, strategic planning, legislative processes, and building collaborative partnerships between stakeholders and governmental entities. Dan has served on other boards, including the California Water Education Foundation, FARMS Leadership Program, Central Valley Habitat Joint Venture, and the California Riparian Habitat Joint Venture.

John Vasquez

Bio coming soon!

Organization: Supervisor, Solano County


Board Non-Voting Members

Senator Bill Dodd

State Senate, District 3

Assemblymember Jim Frazier

State Assembly, District 11


Board Liason Advisors

Pablo Arroyave

Regional Director, Mid Pacific Region, U.S. Bureau of Reclamation

Steve Chappell

Executive Director, Suisun Resource Conservation District

Matt Gerhart

Program Manager, California Coastal Conservancy

Steve Goldbeck

Chief Deputy Director, San Francisco Bay Conservation and Development Commission

Martha Ozonoff

Executive Director, Yolo Basin Foundation

Maria Rea

Central Valley Office Supervisor, National Marine Fisheries Service

Paul Souza

Regional Director, U.S. Fish and Wildlife Service

Stu Townsley

Flood Risk Program Manager, South Pacific Division, U.S. Army Corps of Engineers

Michael Villines

Board Member, Central Valley Flood Protection Board

Erik Vink

Executive Director, Delta Protection Commission