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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Jessica
Believer in people and cultivator of civic life, often using tech. Former lives: Cofounder & CEO/COO @ U.S. Digital Response; Fellow @ Code for America & Aspen Institute; local govvie; edtech builder. Field trip schemer, forever poet, persistent host.
Nishant
Co-founded Color (color.com), left in early 2020. Currently investing in companies at the intersection of biology + engineering.
Sonia
Currently metalearning across multi-agent reinforcement learning, web 3, speculative science fiction, and multi-billion dollar bets... Twitter: @soniajoseph_
Chris
Co-founder and former CTO of Planet Labs, where he led spacecraft and constellation design for one of the world’s largest Earth imaging networks. Previously a Space Mission Architect at NASA Ames, where he developed low-cost spacecraft and led commercialization efforts including the Phonesat Project.
Connor
Connor is the CEO, co-founder of Speak, an AI Speaking App that teaches users English. Prior to that, Connor created Flashcards+ which is an education app used by over 5 million students worldwide and eventually sold it to Chegg.
Jie
Jie has been part of the OpenAI research team since 2016. He was previously an early engineer at Dropbox.
Tim
Founder and CEO of Zulip, a powerful team chat platform for distributed engineering teams. Previously co-founded Ksplice (acquired by Oracle) and led major infrastructure projects at Dropbox. MIT-trained engineer with deep expertise in building robust, developer-centric systems.
John
ML leader with experience in recommendations and humans-in-the-loop. Alum of Square and Stitch Fix. Here to learn and explore by doing. Currently fascinated by LLMs. "The future is already here—it's just not evenly distributed [yet]." –Neil Stephenson
Jeremy
Currently: San Jose Earthquakes (ex: Portland Timbers). Pursuing off-field work ranging from early stage investing to nonprofit formation and leadership. Activating a diverse network through sport towards bringing innovative ideas & products to life.
Jeff
Jeff is the co-founder and former COO of Pilot.com. Prior to Pilot, he led operations at OpenAI and founded Zulip (acquired by Dropbox), where he later led product for client and platform teams.

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.