Our
Board &
Advisors
Our board & advisors contribute expertise in conservation, community health, environmental justice, policy, finance, tribal relations, and nonprofit leadership. They guide our mission with clarity and care.
Are you our next board member?
The Yosemite Rivers Alliance is seeking new members for our board. Applications are accepted on a rolling basis.
Board members are strategically-minded, have a passion for the environment, and have some policy knowledge in a field applicable to the Yosemite region: rafting, fishing, hiking, water policy and management, forestry management, watershed management, fish and wildlife ecology, or environmental issues.
If you or someone you know is interested, please connect with us: nominations@yosemiterivers.org
Board of Directors
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John Kreiter
CHAIR
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Eddie Corwin
VICE CHAIR
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cindy charles
TREASURER
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Bart Westcott
SECRETARY
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Brad Wurtz
BOARD MEMBER
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Bernard Chen
BOARD MEMBER
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Homero Mejia
BOARD MEMBER
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Iris Stewart
BOARD MEMBER
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Jose Borroel
BOARD MEMBER
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John Nimmons
BOARD MEMBER
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Marty McDonnell
BOARD MEMBER
Advisors
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John Amodio
Former Executive Director of Tuolumne River Trust and longtime California environmental leader who helped secure Wild and Scenic protection for 83 miles of the Tuolumne River.
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Karyn Bryant
Director of California Major Gifts at American Rivers and former TRT staff member with deep roots in Tuolumne River conservation.
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Sally Chenault
Attorney, mediator, and lifelong Tuolumne River advocate with extensive experience in fundraising, public speaking, and environmental lobbying.
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William “Bill” Collins
Veteran environmental advocate with over 45 years of leadership in conservation policy, including roles with Sierra Club and League of Conservation Voters.
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Joe Daly
Founding board member of Tuolumne River Trust and pivotal leader in the successful campaign for Wild and Scenic designation and Clavey River dam protection.
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Tim Eichenberg
Environmental attorney, former Chief Counsel at BCDC, and nationally recognized expert in climate, coastal, and ocean law.
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Chris Guptill
Educator and community organizer who founded Operation 9-2-99, leading large-scale volunteer cleanups and restoration along the Tuolumne through Modesto.
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Olivia Heitz
Climate technologist and former Tuolumne River guide working at the intersection of data, finance, and environmental solutions.
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Noah Hughes
Earth science and geology professor at Modesto Junior College and expert kayaker with deep knowledge of the Tuolumne River system.
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Zarine Kakalia
Climate and ESG strategist with dual degrees from UC Berkeley and Haas School of Business, bridging sustainability and business innovation.
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Cecily Majerus
Former Executive Director of Tuolumne River Trust, former Chesapeake Bay Coordinator for Maryland, and past Chair of Ocean Conservancy.
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Jerry Meral, Ph.D.
Director of California Water Programs at the Natural Heritage Institute and former Deputy Secretary of the California Natural Resources Agency.
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Amy Meyer
Founding member of Tuolumne River Trust and longtime civic leader in conservation and public lands stewardship in the Bay Area.
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Richard Roos-Collins
Environmental attorney with the Natural Heritage Institute and former President of the Tuolumne River Trust.
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Jon Rosenfield, Ph.D.
Senior scientist at San Francisco Baykeeper specializing in aquatic ecology, water policy, and Bay-Delta science.
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Susan Stern
Former President of Camp Tawonga’s Board and past TRT Board Chair with decades of leadership in environmental education and fundraising.
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Ron Stork
Senior Policy Advocate for Friends of the River and botanist with 20 years of service on the Trust’s board.
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Patricia “Tricia” Sullivan
Biologist and former PG&E Environmental Affairs leader specializing in site remediation and environmental compliance.
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Steve Welch
General Manager of ARTA River Trips and President of the Tuolumne River Outfitters Association with decades of river stewardship leadership.
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Jennifer M. White, Ph.D.
Former UC Berkeley Botanical Garden education director and science educator with deep experience in environmental learning.
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John Woolard
Former CEO of BrightSource Energy and nationally recognized clean energy executive and policy advisor.
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Eric Heitz
President of the Energy Foundation advancing clean energy nationwide and former long-serving TRT Board Chair.
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Shanyn Avila
Community leader in youth and family services in Stanislaus County and advocate for accessible local environmental programming.
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Samantha Emmert
Ocean conservation expert with leadership experience at the U.S. Government, United Nations, and Global Fishing Watch, and incoming staff at the Monterey Bay Aquarium.