The Bike East Bay Team

Ginger Jui: Executive Director

Ginger Jui joined Bike East Bay staff in 2014 and stepped up as Executive Director in July 2018. Starting out as Membership Manager, Ginger initiated our Bike Ambassador program which led to significant increases in Bike East Bay membership. Ginger then held the Communications Director position for two years, leading rapid-response communications campaigns that resulted in big advocacy wins across the region. A dedicated advocate, Ginger also serves on the board of directors at Cycles of Change, a Fruitvale neighborhood, people of color-led bicycle collective, and formerly on the Metropolitan Transportation Commission’s Adaptive Bike Share Technical Advisory Committee. 

Ginger identifies on a non-binary gender spectrum, prefers non-gendered descriptors, including they/them pronouns. 

Contact Ginger at (510) 201-9356 x 1003 or by email at Ginger (at) BikeEastBay (dot) org.

Dave Campbell: Advocacy Director

Dave CampbellDave Campbell coordinates the advocacy and policy work of Bike East Bay in 33 cities/town/jurisdictions in the East Bay, and at the Contra Costa Transportation Authority, the Alameda County Transportation Authority and other regional transportation agencies. Dave started Bike East Bay’s bike education program in 2002 and previously coordinated Bike to Work Day in the East Bay for 7 years. From 2000-2009, Dave served as the Chair of the Bike East Bay Board of Directors, and served as Vice-Chair from 1998-2000.

Dave joined Bike East Bay back in 1996 as a volunteer while practicing patent and trademark law in San Francisco and still acts as a legal advisor to Bike East Bay. Dave rides a Fuji road bike around town and wishes he spent more time on weekends riding his bike, but tennis, his other passion, keeps him on court.

Contact Dave by emailing Dave (at) BikeEastBay (dot) org.

Jill Holloway: Operations Director

Jill Holloway Jill joined Bike East Bay as the Operations Director in June 2021. She is responsible for finance, human resources, and operations for the organization. After moving to Davis, CA from the East Coast in 2013 she got her first adult bike and has since grown her appreciation for biking and advocacy for safer streets. 

Her background is in environmental engineering and she previously owned a zero-waste business in Oakland. Now a resident of the East Bay she spends a lot of her time on bikes, to commute and for fun, and hiking.

Contact Jill at: Jill (at) BikeEastBay (dot) org.

Robert Prinz: Education Director

Robert PrinzRobert manages Bike East Bay’s education program, coordinating and promoting up to 150 free classes to thousands of adults, youth, and families all over Alameda and Contra Costa Counties each year, made possible by the amazing work of up to two dozen certified bike instructors.

Robert is himself a League of American Bicyclists-certified instructor, was chair of the Emeryville bike/walk committee (2011-12), and a founding member of the Oakland bike/walk commission (2014-18). You can find him on Twitter posting new bikeway construction and paving updates via the hashtag #TheSmoothening.

Learn more or take a class yourself via our education page here. Contact Robert by phone at (510) 845-7433 ext 2, or by email at Robert (at) BikeEastBay (dot) org.


Dani Solis: Education Coordinator

Dani Solis Dani is excited to help connect people as the Education Coordinator: particularly to a love of joyful movement with bicycling. After moving to Berkeley from San Jose for college, she noticed a difference in how people engaged with the street and was inspired to get her own bike and take public transit whenever possible. Dani holds a BA in Urban Studies with a minor in Food Systems and comes to the Bicycle advocacy space with a background in food studies. She was formerly a fellow at the National Sustainable Agriculture Coalition in Washington, DC.

Contact Dani at Dani (at) BikeEastBay (dot) org.


Teo Octavia Saragi: Communications Manager

Teo Saragi

Teo Octavia Saragi joined Bike East Bay as the Communications Manager in August 2021.Teo’s background in policy advocacy, creative storytelling, and community organizing informs their approach to social justice-centered strategic communications work. Teo holds a BA  in Public Policy Analysis, Sociology, and Asian American Studies from Pomona College and is excited to apply their knowledge of digital  activism to the transportation &  mobility justice movement in ways
that uplift communities of color. 


Contact Teo at Teo (at) BikeEastBay (dot) org.


Hyeran Lee: Engagement Director

Hyeran joined Bike East Bay in August 2017 and serves as the Event Manager coordinating Bike East Bay’s signature events including Bike to Work Day, Pedalfest, and Biketopia. The recent transplant to the Bay had been heavily involved with bicycle advocacy in Greater LA area through her work at the Los Angeles County Bicycle Coalition (LACBC). At LACBC, she spearheaded projects and programs like the 2015 L.A. Bike and Ped Count, Neighborhood Bike Ambassadors program, and Local Chapter programs. Hyeran earned a Master’s degree in Urban and Regional Planning from UCLA in 2014, with a specialization in active transportation planning and policy. Born and raised in Gwangju, South Korea, she has previously lived in Osaka (Japan), Luneburg (Germany), and Ahmedabad (India)

Contact Hyeran at (510) 845-7433 x 1007 or email Hyeran (at) BikeEastBay (dot) org

Philip Whitfield: Membership Coordinator

Phil began biking as a kid in Texas, where he experienced the difficulties of urban sprawl and inadequate public transportation firsthand. Phil moved to Oakland from Texas in 2014, and is enamored with the integration and acceptance of biking in the East Bay. He joined Bike East Bay as Membership Coordinator in June of 2021, and hopes to contribute to the expansion of safe and accessible biking across the region. Phil is responsible for membership communications, volunteer and outreach coordination, and managing donations. Phil has an Anthropology degree from the University of Texas - Arlington and a Master’s in Anthropology from San Francisco State University.

Contact Phil at: Phil (at) BikeEastBay (dot) org

Marissa Deitz: Database Manager

Marissa DeitzMarissa began working with Bike East Bay during Bike to Work Day in 2017, and has been involved in various aspects of the Membership program ever since. She became Database Manager in June 2021. Marissa supports the Bike East Bay team with administrative work behind the scenes, and believes in the impact that accessible, people-powered transportation can have on all her fellow East Bay residents.

Marissa holds an MFA in Experimental Music & Recording Media from Mills College, and spends her time off the bike involved in writing, teaching, and performing music.

Contact Marissa at: Marissa (at) BikeEastBay (dot) org

Dan Hernandez: Education Program Lead Instructor

Dan HernandezDan began bike commuting while attending schools in eastern and central US, which culminated in a Masters in Ecology. After working ten years domestically and internationally in conservation, he began teaching recreation.

Now ten years into his second career Dan is convinced of the power of recreation to change lives, communities, and ecosystems. With certifications in sea kayaking and rock climbing, his favorite ‘work’ still involves cycling. He’s been a cycling instructor since 2008 and loves working in the Bike East Bay education program. Dan now coaches and manages Bike East Bay’s large group of bike education instructors.

Email Dan at Dan (at) BikeEastBay (dot) org.