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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Tim
Tim Shi is the Co-Founder & CTO of Cresta. He started his PhD at Stanford AI Lab researching natural language processing and reinforcement learning. He was an early member of the OpenAI team in 2016 and made contribution to building safe AGI in digital environments. His work on "world of bits" laid foundation for web-based reinforcement learning agents. He co-founded Cresta in 2017 and Cresta was one of first companies to deploy generative AI in enterprise, including GPT based suggestions product in 2019. Cresta is backed by top investors including Sequoia, a16z, Greylock and helps drive hundreds of millions in ROI across Fortune 500 customers like United Airlines, US Bank and Verizon. He and his team hold multiple patents in AI for contact center conversations.
Abhay
Previously YC W19 and Product Lead at Predibase & Aisera. Exploring ideas in B2B x AI.
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.
Varun
I'm part of the FF4 -- previously worked at Transferwise and Instacart. Exploring new ideas and always excited to meet new people so please reach out!
Tharun
Building solutions to continuously improve your voice agents. Built multiple AI products at Healthify. Always up for AI product and architecture discussions. :)
Mike
Building KOAH - Ad network for LLM applications https://koahlabs.com
Vinay
Building something new in Web3. Previously startup founder, Product @ Facebook. Manchester United fan and Pizzaterian for life.
Charles
Charles Bai is a healthcare entrepreneur with experience across provider, intermediary, broker, and payor levels. He is focused on identifying critical inefficiencies in the US healthcare system to drive transformative improvements in health outcomes.
Dina
Head of Product, Gen AI Data @Adobe | VC Scout @NEA | Former Founding Engineer at Source AI (acquired by DataRobot) | Working on something new
Abhinav
Abhinav is a builder with experience with Marketplaces, Search, and Distributed systems & ML Infra. Currently interested in all things Web3.

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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.