# Y Combinator

Investor in Mountain View, California

## About Y Combinator

Y Combinator is a startup accelerator that provides early‑stage companies with capital, mentorship, and community support. Founded in 2005, it operates structured programs where selected startups receive seed funding and guidance over a defined cycle, culminating in a Demo Day where founders present to a broad network of investors. Y Combinator has become one of the most influential accelerators globally.

The accelerator is sector‑agnostic and supports companies across technology, software, internet services, healthcare, consumer products, biotech, and more. Its model emphasizes founder support through hands‑on mentoring, peer learning with other startups in the cohort, and access to an extensive alumni network. Participating teams benefit from advice on product, growth, hiring, fundraising, and business strategy.

Y Combinator is known for its large and successful alumni community, with many of its graduates going on to become significant companies in their respective industries. While the core program is its flagship accelerator, the organization also continues to support alumni with additional resources, community events, and follow‑on investment support.

## People

- **Sam Altman**, Partner

## Key Facts

- **Location:** Mountain View, California
- **Investor Type:** Accelerator, Venture Capital
- **Founded:** 2005

## Investment Industries

- Biotech
- Medical/Healthcare
- Technology/Web/App
- Other

## How to Contact

Direct messaging, this investor's website, and their LinkedIn, Facebook, and X profiles are available with a paid Ask For Funding plan.

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