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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Jason
Jason is the co-founder and CEO of Slab. He is also BDFL for the open source project Quill and formerly the founder of Stypi (sold to Salesforce). He holds a BS in Computer Science from Stanford.
Sai
Prev. Insurance Broker, Auditor, and VC Product Manager. Currently building in Insurance x AI!
Gavin
Co-founder and CEO of Column Tax, building modern tax infrastructure for the digital era. Previously led strategy and operations at Waymo.
Waseem
I'm a cofounder of Pilot, a modern finance team offering the best bookkeeping, tax, and CFO services for growing businesses. I'm an engineer by background and have cofounded and sold a couple of companies with friends I met while studying at MIT. In 2011, Ksplice was acquired by Oracle, and Zulip was acquired by Dropbox in 2014.
Feross
Founder & CEO of Socket. Socket helps companies defend their systems against open-source software supply chain attacks. We're growing fast and hiring!
Praveen
Praveen Chekuri is the Co-Founder & Co-CEO of Ascend, the first modern insurance payments platform that provides automated payments, financing, & payment operations. Previously he's worked at Hippo, Houseparty & Instacart.
Seth
Founder and CEO of Riffusion, building at the frontier of AI and music. Previously founded Hardline and Yodel, and was Head of Product at Shape. Princeton alum with a background in molecular biology and global health.
Ross
I’m currently exploring human-in-the-loop AI systems at ROSNIK AI with my longtime friend Nick DiRienzo. In my prior life, I was Head of Product at Observe Inc and a PM at Splunk. In my spare time, you will find me brewing beer, riding my bike, and reading any sci-fi I can get my hands on.
Rohit
'- Founding ML Engineer [Compliance & AI Voice Calling] @ Salient - Leading game engine & tooling development [TFT / League of Legends] @ Riot Games - SQL Server & Telemetry @ Microsoft - EECS @ UC Berkeley big car fan (currently own a ND Miata)!
Deborah
Cofounder & CEO at Sparrow - the first high-tech, high-touch employee leave management solution making it simple for companies to provide employee leave throughout North America. We're making employee leave stress-free for companies like Figma, Plaid, and Headspace Health.

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.