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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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
Emily
Repeat founder with deep product and SaaS experience. Exploring my next venture in the climate-space (particularly in Energy, Built environment). I live in SF with my husband and mini sheepadoodle but am the proud owner of a 617 phone number.
Dmitry
I'm interested in exploring applications of AI and LLM models into fields from search, recommendations, SWE productivity, or creative productivity tooling. I've worked on products, teams, and systems in ML and data, and has built teams from early to late stage at consumer social, B2B SaaS (security) and looking into new domains.
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.
Hailun
Helen led product design teams at Facebook and Cruise and specialized in designing consumer and business products. She is exploring new ideas with her co-founder.
Arjun
Worked as a software engineer on the platform and tools team at Facebook. Zillow and Microsoft before that. Explored angel investing + engineering at startups including Detour, Thistle, Dandelion Chocolate, Taika and others.
Matthew
PhD in RL, building new ways of using RL + LLMs
Kaiyuan
Exploring disaster and emergency response, let's chat! Worked in Insurance, let's chat!
Jackson
Founding CEO of Mentor Collective (edtech). Led company to 100s of customers and 4x listings on Inc 5000. Stepped into Chairman role after 10 years and now exploring new ventures.
Yash
15+ years of experience working at companies like D.E.Shaw, inMobi, Zenefits, Square and Stripe. Started redscope.ai before. Now building Kinzy - AI parent buddy for parents, and curiosity platform for kids to unleash their creativity
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.

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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.