Austin Hunter

Term: August 29, 2023 – March 25, 2027

Austin Hunter was appointed to the Commission on the Environment by Mayor London Breed on May 27, 2021. Austin serves on the San Francisco League of Conservation Voters Board (SFLCV), which seeks “to promote environmental protection through active participation in the San Francisco political system and to enhance the integrity of that political system for all San Franciscans.” Austin has formerly been involved in a variety of community organizations including the Public Utilities Commission Community Advisory Committee, the Eastern Neighborhoods Democratic Club, and as an elected delegate to the California State Democratic Party. In his professional capacity, Austin works in the responsible and ethical innovation space, helping companies early in the product development process think through a product’s lifecycle to identify and minimize harms while maximizing the ability to responsibly innovate. 

Austin holds a B.A in international relations and political science from San Francisco State University and a M.P.P. from King’s College of London. He currently attends Golden Gate University School of Law, where he has been awarded a full-tuition scholarship.


Sarah Ching-Ting Wan (President)

Term: May 25, 2021 – May 11, 2025

Sarah Ching-Ting Wan was appointed to the Commission on the Environment by Mayor Ed Lee on August 5, 2013. Sarah serves as Executive Director of Community Youth Center (CYC), a nonprofit organization established by prominent Asian community leaders in 1970 in response to an escalation in gang violence and crime.

Sarah has over 15 years of experience in youth services and has been an advocate for San Francisco's Asian American community, particularly immigrant youth in the juvenile justice system. She has been recognized as an API Heritage Month Honoree by the San Francisco District Attorney's Office in 2013. She also received the Blue Cross Community Award in 2024 and Compass Point's Everyday Hero Award in 2001. Sarah also served on the San Francisco Juvenile Probation Commission from 2010 to 2013.

Sarah was born in Hong Kong and moved to the United States to continue her secondary education at Sacred Heart Cathedral Preparatory in San Francisco. She holds a B.A. in psychology from the University of California, Berkeley, and a M.S.W. from San Francisco State University. She also attended Kyushu University in Japan, where she received a full scholarship.


Vince Yuen

Term: October 30, 2023 – March 10, 2027

Vince Yuen was appointed to the Commission on the Environment by Mayor London Breed on October 30, 2023. Vince is the founder of Refuse Refuse San Francisco, a grassroots volunteer effort dedicated to keeping San Francisco clean.

After picking up trash with his two young daughters, Vince discovered that caring for San Francisco was his greatest passion. As of October 2023, the campaign has organized over 1,800 neighborhood cleanups and removed over 500,000 gallons of trash from San Francisco’s streets, parks, and beaches. Vince is focused on keeping the city clean by supporting neighborhood cleanups, educating the public on available resources, and building community through civic engagement and volunteerism.

Vince holds a M.B.A from the UC San Diego Randy School of Management, where he was President of the Rady Entrepreneur Club. He lives in San Francisco's Richmond District.