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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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.
Charlie
Currently building Pulley to streamline construction permitting. Previously a founder, PM, and engineer at eero, Oasis Labs, and Amazon. Passionate about software, cities, and solving messy infrastructure problems.
Greg
Previously at Dropbox, leading the teams for Mypy (static types for Python) and engineer collaboration tools. Before that Quora, Ksplice, Harvard math, and MIT computer science
Zain
Founder of Eureka, a healthcare company helping patients with chronic conditions get control over their symptoms.
Yash
I love science and technology. I have previously worked at Spotnana (as founding engineer) and Google (in search, research teams). Currently I am working on an B2C startup in AI 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.
Andrew
Andrew has spent his career building consumer software like Apple and Coinbase. Most recently, he cofounded Ziina, a venture backed startup based in Dubai on a mission to bring economic freedom to every person in the Middle East.
Daniel
Daniel Tatenko, seasoned detective - focused on leveraging AI to streamline crime reporting, reduce officer workload, and improve public safety by enhancing collaboration between law enforcement and the community.
Daniel
Co-founder at Persona AI
Jacinda
Jacinda is the co-founder and Chief Business Officer at Apero Health, building tools to streamline medical billing and infrastructure. Previously CTO and founding engineer at Doctor On Demand, where she scaled telehealth platforms from the ground up.

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.