Great ideas rarely emerge from isolation

South Park Commons is a community of technologists ideating and validating what to build next. We believe this shouldn’t be done alone. Our members range from exited founders and highly-cited researchers to new graduates and first-time entrepreneurs. What unites us is ambition, ability, and a mutual commitment to helping each other navigate -1 to 0.

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south park commons community

OUR Members

A Modern Day Xerox PARC


We focus on highly technical builders in the -1 to 0. Over the last decade, we have had 1,000 members join us to start companies, pursue research, and work on other ambitious projects.

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Jonathan
Jonathan is SPC's Storytelling Partner and is based in San Francisco. He is an expert at helping our members, companies, and the community craft and tell compelling narratives. He previously worked in campaign politics, advertising, and as an independent writer and filmmaker.
Geoff
Founder of Apollo GraphQL, MeteorJS, Monument, and others
Arian
I build early stage products and teams. Worked on scaling at Homejoy and product at Fin. Started Riya Collective and went through YCW20 with my co-founder. Love the SPC community and organized the first community camping/glamping trip.
Abhinav
Product and design leader focused on user-facing AI tools, most recently Director of Product at Scale AI where he launched Outlier.ai. Previously co-founded Insight Browser and led product for Quora Spaces and Sessions. Currently exploring new ideas at South Park Commons.
Alex
Founder and CEO of Perl, focused on redefining search for the consumer internet. Previously built Lounge (acquired by Mozilla) and Oneminute, with early support from Greylock and the creators of Bebo and MySpace. Writes TLDR intros, a go-to newsletter for early-stage consumer founders and investors. Member of South Park Commons.
Sean
Sean Howell, was CEO of Hornet, where he built a 40M-user LGBTQIA+ social network, and co-founder of Buffalo Market. Sean applies lessons from consumer tech to SaaS, leveraging his global experience to create impactful, user-friendly solutions.
Jonny
Jonny is the CEO of Muon Space, leading a team building climate-focused satellite technology. Previously held senior engineering roles at Lyft (Level 5 autonomy), Google, and Terra Bella (formerly Skybox Imaging), where he led the design and launch of multiple Earth observation satellites.
Abiel
Co-founder and CTO of Comun, building banking infrastructure to expand financial access for immigrant communities. Previously an early engineer at Brex. Studied computer science at Stanford and is passionate about mission-driven systems that scale.
Jennifer
Founder. Previously MoTS @ Anthropic, Stripe. Expertise in LLM infra.
Erin
Erin Cafaro is a two-time Olympic gold medalist in rowing, winning with the U.S. women’s eight team at the 2008 Beijing and 2012 London Games. She is one of the most decorated rowers in U.S. history.

Our Spaces

San Francisco
New York
Bengaluru

What our members do


Our members have started 250+ companies, including several unicorns. Others have become core contributors to leading research organizations, open-source software projects, and academic institutions.

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South Park Commons
380 Brannan St, San Francisco, CA
© 2025 All rights reserved.
South Park Commons
380 Brannan St, San Francisco, CA
© 2022 All rights reserved.