Great ideas rarely emerge from isolation

South Park Commons is a community of builders, technologists, and domain-experts that challenge you, encourage you, and help you build and validate your ideas. People join us at every stage of their career: from just out of school to mid-career faculty, from first-time entrepreneur to serial founders with successful exits. We leverage our collective expertise to help our members discover new ways of impacting the world.

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south park commons community

OUR Members

A Modern Day Xerox PARC


We focus on extreme talent density in the -1 to 0. Over the last decade, we have had 800+ members join us to start companies, pursue research, and work on other ambitious projects.

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Jonathan
I make apps people ❤️. formerly cofounder @Timehop, built an entertainment company on top of airpods (http://pairplayapp.com) and the Lumo drawing iPad app + built http://ExitstrategyNYC.com + former designer @Snapchat
Samantha
Samantha is a software engineer with previous experience in fintech & AI. She is currently working on projects in the crypto space.
Jonathan
Jonathan Mortensen (JMo) is a data scientist and software engineer. After graduating with a PhD in biomedical data science in 2016 from Stanford, Jonathan founded and sold two startups: Gyroscope to BlueVoyant and bit.io to Databricks. Now, JMo is exploring on the intersection of AI and databases.
Ciro
Founder. Went from bootstrap to acquisition to IPO in 5 years. Really into startups, ML, NLP, Data and strange music.
Kevin
Co-Founder and CEO @ Doppel.xyz. Formerly Staff Eng / EM @ Lyft, SWE @ Uber building Dispatch / Airspace platforms and shipping products. Georgetown alum based in SF, from Boston originally. I love playing basketball and spending time with my wife and dog
Colin
Colin is building Clerk, which allows you to add beautiful sign-up, sign-in, and user profiles to your application in minutes. He previously worked on products in financial services and travel.
Claudia
Recent Oxford PhD graduate building and exploring AI solutions applied to maternal health. Interested in all things AI and healthcare.
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
Trisha
Trisha is the co-founder and CEO of Unit21. She was previously an early engineer at Affirm, and subsequently PM. She studied Computer Science at Penn. She loves to paint.
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.