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Y Combinator

ycombinator.com Direct investor

Y Combinator is a startup accelerator that provides funding, mentorship, and resources to early-stage startups. It invests $500k in selected startups four times a year and runs a three-month program in San Francisco.

Y Combinator is an accelerator headquartered in San Francisco, United States, founded in 2005. It invests directly in companies, from seed to Series A, in startups. Its stated cheque size is $500k. 5000 portfolio companies, as it reports.

“YC turns builders into formidable founders”

— Y Combinator, own website
Layer
Direct investor
Type
Accelerator
Stage
Seed – Series A
Headquarters
San Francisco, United States
Invests in
global
Sectors
startups
Cheque size
$500k
Founded
2005
Portfolio
5000 companies

Team, as Y Combinator publishes it

  • Garry Tan Co-founder of Posterous (acquired by Twitter) and Initialized Capital. Early engineer at Palantir, designed company logo.
  • Harj Taggar Co-founder and CEO of Triplebyte (acquired by Karat) and Auctomatic (acquired by Live Current Media). Graduated from Oxford.
  • Jared Friedman Co-founder of Scribd, one of the top 100 sites on the web. Harvard CS dropout.
  • Aaron Epstein Co-founder of Creative Market, generating over $100M in sales for independent creators worldwide.
  • Diana Hu Co-founder and CTO of Escher Reality (acquired by Niantic). Shipped AR tech for Pokémon GO to 100M+ users and grew up in Chile.
  • Gustaf Alströmer Led Growth at Airbnb for 4.5 years. Co-founder of Heysan. Previously Head of Growth at Voxer.
  • Nicolas Dessaigne Co-founder of Algolia, a Search API used by millions of developers. PhD in Computer Science.
  • Tom Blomfield Co-founder of Monzo (£500M raised, 10% UK population). Founded GoCardless. Awarded OBE in 2019.
  • Brad Flora Co-founder and CEO of Perfect Audience (acquired by Marin Software). Active angel investor and Slate contributor.
  • Pete Koomen Co-founder of Optimizely, grew to $100M+ ARR before acquisition. Master’s in CS from UIUC.
  • Ankit Gupta Co-founder and CTO of Reverie Labs (acquired by Ginkgo Bioworks). Deep learning researcher in language, vision, and biology.
  • Tyler Bosmeny Co-founder and CEO of Clever (acquired for $500M). Used by 60% of US students.

Names and roles exactly as listed on ycombinator.com. Nothing else about these people is recorded.

Where this comes from

Every fact above was read from a page Y Combinator publishes itself. Nothing is taken from third-party databases. Investment activity (deals, co-investors) is not yet recorded.

  • https://www.ycombinator.com/name, is_investor, layer, type, hq_country, hq_city, invests_in_geographies, stage_min, stage_max, sectors, cheque_size, thesis_quote, thesis_quote_page, description, founded, portfolio_count, people, status, confidence

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Record 438 · added 2026-08-28 · link last verified 2026-09-06 · confidence high

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