Geoffrey Bauman






San Francisco, California


Political Donor and Activist

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Geoffrey Bauman is a San Francisco-based Democratic Party donor and activist.

Nonprofit Involvement

Bauman worked for Slide Ranch, a Marin County organization that promotes weather-dependent energy like solar and wind power. 1 to children and teenagers 2 3 and asserts that systemic racism is responsible for many of today’s environmental and social ills. 4

Bauman sat on the board of Earth Share of California, as treasurer and finance chair. 5 Earth Share directs workplace donations through payroll deductions to left-leaning organizations including World Wildlife Fund, Natural Resources Defense Council, Sierra Club Foundation, and EarthJustice. 6 7

Bauman and his late partner, Abigail Myers, were listed as donors to the Bernal Heights Neighborhood Center in 2006 8 and 2009. 9 The Center advocates for the development of more low-income housing. 10

Political Activities

Bauman has been listed as the treasurer of the Bernal Heights Democratic Club since at least 2017 11 and has been involved with the club since at least 2009. 12 Bauman donated a total of $38,600 to the unsuccessful campaign against the recall of San Francisco District Attorney Chesa Boudin in 2021 and 2022, becoming one of Boudin’s largest donors. 13

Bauman endorsed David Campos, a former San Francisco supervisor, who lost a bid for California State Assembly in a special election April 2022. 14 15 Bauman frequently donates to candidates who run and political committees that support campaigns against less-left-wing Democrats in primaries, including Jessica Cisneros, the Squad Victory Fund, and Justice Democrats. 16 Bauman donated to the presidential campaigns of Bernie Sanders in 2020 and 2016. 17


  1. “Slide Ranch Awarded $300,000 from Battery Powered to Activate an Energy Garden and Expand Online Curriculum! Slide Ranch. June 10, 2016.
  2. Slide Ranch Annual Report 2011. Slide Ranch. 2011.
  3. “Slide Ranch: Cultivating Resource Revolutionaries.” The Battery San Francisco. Accessed September 10, 2022.
  4.  “Slide Ranch: Black Lives Matter.” Slide Ranch.
  5. “Earth Share of CA: Contacts.” Staff and Contacts. Accessed September 3, 2022.
  6. “Earth Share.” Philanthropy News Digest. March 18, 2008.
  7. “Form 990 for Period Ending June 2020.” ProPublica. Accessed September 17, 2022.
  8. “Bernal Heights Neighborhood Center Report to the Community for 2006.” Yumpu. Accessed September 3, 2022.
  9. [1] “Building Power: Bernal Heights Neighborhood Center.” Yumpu. Accessed September 3, 2022.
  10. “Bernal Heights Neighborhood Center.” SF Service Guide. Accessed September 3, 2022.
  11. “Executive Committee.” Bernal Heights Democratic Club. 2022.
  12. “San Francisco Political Events as of November 16, 2009.” San Francisco FYI. November 15, 2009.
  13. Nielson, Susie. “Chesa Boudin Recall Supporters Raised $7.2 Million to Oust the San Francisco D.A. These Are the Biggest Donors.” San Francisco Chronicle. June 6, 2022.
  14. “Add Your Name: Endorse David Campos for State Assembly.” Campos For Us. Accessed September 3, 2022.
  15. Rodriguez, Joe Fitzgerald, and Guy Marzorati. “Decisive Victory for Haney Over Campos in SF Assembly Runoff.” KQED. April 19, 2022.
  16. “Individual Contributions.” Federal Election Commission. June 30, 2022.
  17. “Individual Contributions.” Federal Election Commission. June 30, 2022.
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