Sonoma Valley Hospital

Board of Directors

Sonoma Valley Hospital was founded in 1946 as a non-profit district hospital, is governed under the Bylaws of the Sonoma Valley Health Care District by a publicly elected Board of Directors. Directors serve four-year terms, with elections taking place during general elections for local, state or national offices. 

Joshua-RymerJoshua Rymer, Chair, began his professional career working for Pacific Bell (now AT&T) in Marketing and Business Planning. Mr. Rymer then became a Vice President and Partner with the Boston Consulting Group; working in New York, London, and San Francisco. Mr. Rymer advised companies in the financial services, consumer products and high technology businesses. He headed the firm’s West Coast Financial Services Practice and Co-Authored an early book on how the Internet would transform the Financial Services Industry (“The Information Superhighway and Retail Banking”).

Mr. Rymer went on to become Senior Vice President for Strategy at Charles Schwab & Co. working in both the Retail and Institutional Brokerage businesses. From 2006 to 2011 Mr. Rymer was President and Chief Executive Officer for Terradatum, Inc., a Real Estate Software Company headquartered in Sonoma.

Currently, Joshua works as an independent consult developing sustainable business strategies for companies and non-profit organizations. As a part of his consulting practice, he has worked with several non-profit organizations, including: Sonoma Valley Museum of Art, Sonoma Valley Hospital, Crown Family Philanthropies, The Outdoors Empowered Network, Education Outside, and The Miriam and Peter Haas Foundation.

Joshua did serve on several boards including: Community Foundation Sonoma County, Education Outside (Chair) and the Sonoma Valley Fund (President).

He holds both BA and BS with honors from the University of Pennsylvania and The Wharton School. He earned an MBA degree from Stanford’s Graduate School of Business. He currently serves on the Health Care District’s Finance and Strategic Planning Committees. 



Hirsch_Jane-photoJane Hirsch, RN, MS, First Vice Chair, is Clinical Professor Emeritus in the UCSF School of Nursing, and is the former Director of the Nursing & Health Systems Leadership Graduate Program in the School. 

Prior to her role on the UCSF School of Nursing faculty, Ms Hirsch served as the Chief Nursing Officer for nine years at the UCSF Medical Center. In this role, Ms. Hirsch was responsible for ensuring patient care quality and safety, nursing recruitment and retention, staff satisfaction, collaboration with other health care professionals, participation in strategic planning for the Medical Center, and representing patient care issues to Medical Center executive leadership.

She is a graduate of the Sinclair School of Nursing at the University of Missouri-Columbia, and received her graduate degree from the UCSF School of Nursing. She is an editor of Clinical Nursing, a widely used nursing resource book, and has consulted and presented nationally and internationally on issues related to nursing leadership, patient safety, clinical ethics, and quality of care.

Jane and her husband Jeff live in Sonoma.  Prior to being appointed to the Board in 2012, Jane served as a community member of SVH’s Quality Committee.  Currently she is the Chair of the Health Care District’s Quality Committee and also serves on the Joint Conference Committee.


Hohorst_Peter-photoPeter Hohorst, Second Vice Chair, is a retired manufacturing consultant. His 55 years in management and consulting included stints with Procter and Gamble, Booze Allen & Hamilton, Sunmark Inc. and Barbara’s Bakery. His experience included facilities planning, manufacturing plant construction and the design and installation of computer controlled manufacturing equipment.

His service to the City of Sonoma includes serving as board member and president of the Sonoma Community Center, Chairman of the Fourth of July Parade Committee, and board member of the Diamond A Mutual Water Company. He has been a member of the Sonoma Valley Health Care District Board of Directors since 2008.

Peter and his wife, Lorrie, live in Sonoma and are both active community volunteers. Peter holds a B.S. and M.S. degrees in mechanical engineering form the Massachusetts Institute of Technology.



Sharon Nevins head shot 2014Sharon Nevins, Treasurer, is an experienced executive and consultant in public and not-for-profit hospitals, focusing on financial and planning issues. She has been the Chief Financial Officer of the Department of Health, City and County of San Francisco, Acting Chief Financial Officer at Laguna Honda Hospital, and consulting clients have included major not-for-profit hospitals, teaching and research hospitals and the Federal and state governments.

Sharon and her husband, Richard, moved to Sonoma in 2008. She served on the Hospital’s Finance Committee and the Citizens Bond Oversight Committee before being appointed to the Board in 2011. Sharon has a BA from the University of Missouri, an MA from the Stanford School of Medicine and an MBA from the Stanford Graduate School of Business.




Bill Boerum, Secretary, is in his fourth term on the District Board and currently serving as Board Secretary, previously having served twice as Board Chair and as Treasurer including as chair of the Audit Committee and as a member of the Finance Committee. Currently, he is a member of the Governance Committee.

He is Chairman of the Northern California Health Care Authority, a consortium of five hospital districts. Also, in the healthcare domain, Bill was a member of the board of directors, the executive committee and Vice Chairman of the Association of California Healthcare Districts and its related insurance affiliate, the ALPHA Fund, both Sacramento-based.

He is Chairman Emeritus and on the Finance Committee of Sister Cities International, Washington, D.C., a citizen diplomacy organization with 2,200 partners in 146 countries. Previously he was President of the Sonoma Sister Cities Association with relationships in six countries, three of which he facilitated: Egypt, China and Hungary.

Bill’s interest in healthcare extends to the international sphere where he has toured hospitals In China, Egypt and India with a special focus on cardiology departments. His current project is assisting the Roscongress Foundation in Moscow developing the program for its first healthcare conference, the “Healthy Life Forum – Toward 80+” to be held in Sochi. He is an international conference speaker, recently addressing the topic “Digital Healthcare Transformation Drives Quality of Life.” He is a frequent guest on local KSVY Radio / SonomaTV. 

Professionally he is active in wine industry tourism and is a Certified Tourism Ambassador for Sonoma County, and a member of the China Forum in Napa Valley. He is an advocate for medical cannabis having spoken at state, county, and city hearings including before the Medical Board of California. Previously in the risk management space, he had more than 15 years of experience in the decision technology industry and a 20-year career in banking.

Bill and his wife, Nancy, live in Sonoma and have two sons and two grandchildren. Bill holds an MBA degree from Cornell University and a BS degree in Economics.    Contact: or 707.766.4329


Approved Board Policies

P-2016.11.03      Policy and Procedures Governing Bidding For Facility Projects

P-2014.03.06      Investment Policy

P-2014.02.06-1   Community Funding Policy

P-2018.04.05-3   Gift, Ticket and Honoraria Policy

P-2013.11.07      Purchasing and Procurement Policy

P-2013.08.01      Legal Duties, Roles and Responsibilities

P-2013.06.06-1   CEO Annual Establishment of Objectives Policy

P-2013.06.06-2   CEO Annual Evaluation Procedure Policy

P-2018.04.05-3  Gift Acceptance Policy

P-2016.06.13-1   Memo of Understanding between SVHCD and SVHF

P-2018.04.05-2   Board Legislature & Regulatory Policy Positions

P-2018.02.01-2 F  Conflict of Interest Policy

P-2017.09.07      Travel & Reimbursement Policy

P-2012.02.02      Instruction for Preparing Board Letters

R-2011.12.01      SVH Employer-Employee Relations Res. 309

P-2017-12-07      Guidelines for Board Minutes

P-2017-12-07       Media-Communications-Policy

P-2018-02.01       Board Committee Selection Process Policy 

P-2018.07.05        Residency Requirements Policy for Board Committee Members

P-2018.07.05        Ethics Training Policy for District Board Members


Emergency: Call 911707.935.5000347 Andrieux Street, Sonoma, CA 95476DirectionsContact