Supervisor Stephanie Moulton-Peters is currently serving as the Marin County Board of Supervisors Board President, Metropolitan Transportation Commission (MTC) Commissioner, Golden Gate Bridge Highway and Transportation District Board Member, Bay Development and Conservation District (BCDC) Commissioner, Transportation Authority of Marin (TAM) Board Member, Marin Transit District Board President, Richardson Bay Regional Agency (RBRA) Board Chair and as a member of BayWave, Marin County’s Sea Level Rise Collaborative.

She also serves on the Board of Supervisors Sea Level Rise Subcommittee, on the Board of the nonprofit MarinCAN, as well as the Boards of regional commissions: Association of Bay Area Governments (ABAG) Regional Planning Committee and County Boards: Marin Housing Authority; Marin County Flood Control and Water Conservation District, and Marin Parks and Open Space District.

Throughout Stephanie’s work as an elected official, Stephanie has championed inclusive, transparent, responsive local government, with a strong commitment to partnering with communities to address challenges with innovative solutions. A top priority is working with residents and local leaders in Marin City, the county’s historic African American community, to revitalize Marin City’s Golden Gate Village public housing and provide more responsive, community-supporting County services in health and wellness, community policing, job training and education and improvements to local infrastructure.  

Previously, Stephanie served three terms on the Mill Valley Council and as Mayor in 2010, 2014 and 2018. As Mayor Stephanie championed:  increased fire safety, vegetation management and evacuation planning; completion of the award-winning, community-designed Miller Ave Streetscape Project; initiation of yellow school bus service and completion of numerous bicycle and pedestrian facilities; comprehensive senior and youth services including the “Age Friendly Mill Valley” initiative and “Mill Valley Aware”, a community coalition to address teen substance abuse.

Professionally, Stephanie worked at Pacific Gas and Electric Company, an investor-owned public utility, managing environmental regulatory compliance for air, water, and toxic substances, and corporate sustainability and climate change programs. Stephanie has also worked in communications, and in non-profit philanthropy for the National Trust for Historic Preservation.  

Stephanie is a graduate of Stanford University’s Program in Human Biology with concentration in environmental policy. In Summer 2022, she completed the Harvard Kennedy School Program for Senior Executives in Local and State Government and has certification in Hazardous Materials Management from University of California, Davis.