This profile has not been claimed and data may not be accurate.
Founder193Current founder
94th percentile
Investor30Current investor
71st percentile
Combined
Slab founder/CEO, Quill creator, and active angel investor
Credibility
this founder typical founder (50th pct)
Technical Depth · 97th percentile
- Created OSS project 'fast-diff' with 715 stars on GitHub.
- Shipped 2,018 GitHub contributions in the last year (8 commits, 3 PRs, 1 review publicly).
- Ships code daily into private repos with 2,005 private/restricted contributions in the last year.
- Demonstrates personal technical depth: detailed HN comments on cross-browser editor consistency, text synchronization, and real-time collaboration internals.
- Active builder with 12 public repos on GitHub.
- Verified GitHub account @jhchen linked from his Hacker News and LinkedIn profiles.
- Tenured GitHub account active since January 2010 (~16 years).
Relationship Matrix
Most Complimentary
Founder score
- 100%Probability of being accurate (100%)Identified Hacker News account @jhchen.
- 100%Probability of being accurate (100%)1,702 karma on Hacker News.
- 95%Probability of being accurate (95%)Created OSS project 'fast-diff' with 715 stars on GitHub.
- 95%Probability of being accurate (95%)slab.com ranks #115,157 on the Majestic Million (global domain prominence).
- 95%Probability of being accurate (95%)Current Founder & CEO of Slab, Inc.
- 95%Probability of being accurate (95%)Y Combinator S11 alum with Stypi.
- 95%Probability of being accurate (95%)Six HN posts front-paged with 100+ points — strong community reach.
- 95%Probability of being accurate (95%)Active poster with 30 stories on Hacker News.
- 95%Probability of being accurate (95%)4,562 LinkedIn followers — broad professional reach.
- 95%Probability of being accurate (95%)Top HN post 'Quill – An Open Source Rich Text Editor with an API' reached 387 points.
- 95%Probability of being accurate (95%)Verified GitHub account @jhchen linked from his Hacker News and LinkedIn profiles.
- 95%Probability of being accurate (95%)Tenured GitHub account active since January 2010 (~16 years).
- 90%Probability of being accurate (90%)Shipped 2,018 GitHub contributions in the last year.
- 90%Probability of being accurate (90%)Posted 'Show HN: Google search blacklist' on HN.
- 90%Probability of being accurate (90%)Ships code daily into private repos with 2,005 private/restricted contributions in the last year.
- 90%Probability of being accurate (90%)Past founder of Stypi, a collaborative coding platform acquired by Salesforce.
- 85%Probability of being accurate (85%)Demonstrates personal technical depth: detailed HN comments on cross-browser editor consistency, text synchronization, and real-time collaboration internals.
- 85%Probability of being accurate (85%)Had a co-founder at Stypi during the acquisition process.
- 85%Probability of being accurate (85%)Active builder with 12 public repos on GitHub.
- 85%Probability of being accurate (85%)Maintains 'fast-diff' with a Libraries.io SourceRank of 15 (well-documented OSS).
- 70%Probability of being accurate (70%)Venture-backed founder having raised $2.2M for Slab.
- 70%Probability of being accurate (70%)Stypi was acquired in a multimillion-dollar exit.
Investor score
- 90%Probability of being accurate (90%)Publicly identifies as an active angel investor running his own angel fund, Lighthouse Point Ventures.
- 85%Probability of being accurate (85%)Active GP / fund manager of his angel fund Lighthouse Point Ventures and advisor at Contrary.
What you likely need
You're a YC S11 alum who exited Stypi, created Quill (a beloved open-source editor), and now run Slab while angel-investing through Lighthouse Point Ventures. The most valuable Festival events for you blend founder community with deal flow — places to swap notes with other operator-investors, find your next great portfolio company, and pressure-test where Slab goes next. Lean into rooms that mix builders with early-stage capital.
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 S11/early-batch alum dinner to swap notes with operator peers a decade into their journeys.
- introsAn operator-angel roundtable with Contrary advisors and solo GPs to share early-stage deal flow.
- tacticalA tactical workshop on AI-native knowledge management to sharpen Slab's product roadmap against incumbents like Notion.
- introsAn OSS maintainers happy hour for creators of widely-used JS libraries (Quill, fast-diff) to compare notes on commercial sustainability.
- fundraisingA small dinner with seed funds focused on B2B SaaS to explore the next Slab round and refine positioning.
- hiringA Stanford CS + ex-YC engineer happy hour to recruit a senior IC for Slab.
- fundraisingA Lighthouse Point Ventures-style angel syndicate dinner to co-invest with other founder-angels on AI infra deals.