This profile has not been claimed and data may not be accurate.
Founder387Current founder
99th percentile
Investor155Current investor
98th percentile
Combined
President & CEO of Y Combinator, Initialized co-founder and prolific angel
Credibility
this founder typical founder (50th pct)
Technical Depth · 99th percentile
- Created OSS project 'gstack' with 131,408 stars on GitHub.
- Additional popular OSS: 'gbrain' with 29,600 stars on GitHub.
- Actively shipping: 3,438 GitHub contributions in the last year (1,070 commits, 779 PRs, 6 reviews).
- Currently shipping public code (most recent push today, repo 'gstack').
- Significant GitHub following: 14,244 followers.
- Ships privately too: 1,548 private/restricted GitHub contributions in the last year.
- Active builder with 18 public GitHub repos.
- Identified GitHub account @garrytan.
- Publishes 21 public gists on GitHub.
- GitHub account tenured ~18 years (since 2008).
Relationship Matrix
Founder score
- 99%Probability of being accurate (99%)Wikipedia entity exists for Garry Tan — notable public figure.
- 98%Probability of being accurate (98%)Actively shipping: 3,438 GitHub contributions in the last year.
- 98%Probability of being accurate (98%)Currently shipping public code (most recent push today, repo 'gstack').
- 98%Probability of being accurate (98%)Active on Hacker News with 10,305 karma.
- 98%Probability of being accurate (98%)Significant GitHub following: 14,244 followers.
- 98%Probability of being accurate (98%)Y Combinator S08 alum via Posterous.
- 98%Probability of being accurate (98%)Past founder of Posterous (YC S08), acquired by Twitter.
- 98%Probability of being accurate (98%)Identified GitHub account @garrytan.
- 98%Probability of being accurate (98%)GitHub account tenured ~18 years (since 2008).
- 95%Probability of being accurate (95%)Created OSS project 'gstack' with 131,408 stars on GitHub.
- 95%Probability of being accurate (95%)ycombinator.com ranks #723 on the Majestic Million (global domain prominence).
- 95%Probability of being accurate (95%)Additional popular OSS: 'gbrain' with 29,600 stars on GitHub.
- 95%Probability of being accurate (95%)11 HN posts scored 100+ points — repeated front-page virality.
- 95%Probability of being accurate (95%)Top HN post 'Presumption of stupidity' reached 510 points.
- 95%Probability of being accurate (95%)Feature profile in the New York Times on his role in San Francisco politics.
- 95%Probability of being accurate (95%)Ships privately too: 1,548 private/restricted GitHub contributions in the last year.
- 95%Probability of being accurate (95%)Founded companies with co-founders including Posterous and Posthaven.
- 95%Probability of being accurate (95%)Active builder with 18 public GitHub repos.
- 95%Probability of being accurate (95%)Active poster on HN with 52 story posts.
- 95%Probability of being accurate (95%)Google Knowledge Graph maintains a knowledge panel for Garry Tan.
- 95%Probability of being accurate (95%)Identified Hacker News account @garry.
- 95%Probability of being accurate (95%)Publishes 21 public gists on GitHub.
- 92%Probability of being accurate (92%)Current co-founder of Posthaven, a blogging platform launched in 2013.
- 90%Probability of being accurate (90%)Wikipedia page averages ~12,097 views/month — widely-known public figure.
- 90%Probability of being accurate (90%)Named to Fortune's Most Powerful People 2025 list.
- 90%Probability of being accurate (90%)Named to San Francisco Business Times Power 100.
- 90%Probability of being accurate (90%)Posterous exit: acquired by Twitter (undisclosed price).
- 80%Probability of being accurate (80%)Raised $10.3M across 5 rounds at Posterous prior to Twitter acquisition.
Investor score
- 99%Probability of being accurate (99%)Partner and current CEO of Y Combinator, a top-tier accelerator/VC.
- 98%Probability of being accurate (98%)Active GP and co-founder of Initialized Capital ($3.2B AUM).
- 97%Probability of being accurate (97%)Publicly identified as an angel/individual investor across Crunchbase, PitchBook and Forbes.
- 95%Probability of being accurate (95%)Prolific portfolio: 161 investments across 54 portfolio companies per PitchBook.
- 95%Probability of being accurate (95%)Portfolio unicorn: Coinbase (seed investment, now public — first credited as unicorn milestone).
- 95%Probability of being accurate (95%)15+ years investing experience since founding Initialized Capital in 2012.
What you likely need
You sit at the center of the modern startup world as CEO of Y Combinator and co-founder of Initialized, and you're also personally shipping OSS (gstack, gbrain) daily. The most valuable Founder Festival gatherings for you are intimate rooms with fellow high-agency operators, top angels, and technical builders where you can compare notes on AI tooling, seed-stage taste, and the SF civic-tech agenda you've championed.
Would you attend these IRL Festival events?
We will tune and customize your Founder Festival experience to make sure you get invited to the events that would be most valuable to you.
- introsA YC S08–era alumni dinner to reconnect with peers from your own batch and swap notes on second-act companies.
- tacticalAn AI coding-agent builders roundtable with the maintainers behind Claude Code, Cursor, and Aider to pressure-test gstack's opinionated toolchain.
- introsAn off-the-record dinner with 8–10 top seed GPs (Initialized, First Round, USV, Founders Fund seed) to compare 2026 pipeline signal.
- positioningAn SF civic-tech happy hour with moderate-Democrat operators and donors to coordinate the next election cycle's tech agenda.
- tacticalA closed-door workshop with maintainers of 100k+ star OSS repos on distribution, monetization and community governance.
- hiringA hiring mixer to source YC partners and visiting-partner candidates from the technical founder alumni pool.
- wellbeingA small Marin hike with fellow multi-decade founders to decompress on the personal cost of running high-visibility institutions.