# Ray Li (slim)

> Ray Li is co-founder of Apollo.io. Apollo API + MCP on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/ray-li/index.md (~850 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/people/ray-li/index.json · canonical https://www.anchorterminal.com/people/ray-li/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Co-founder, Apollo.io.

Ray Li co-founded Apollo, a go-to-market and sales engagement platform from Y Combinator's Winter 2016 batch, and is its chief technology officer.

- LinkedIn: https://www.linkedin.com/in/raysiruili

## What Ray builds

- [Apollo API + MCP](https://www.anchorterminal.com/tools/apollo.md), graded B, 63.4/100, in Lead & company data. People and company search over Apollo's database of about 240 million contacts and 30 million companies, person and company enrichment with email and mobile reveal, and the Apollo CRM and sequence objects. Co-founder, Apollo.io, researched 2026-10-26.

## Works with

- [Tim Zheng](https://www.anchorterminal.com/people/tim-zheng/), Co-founder, Apollo.io

## Backed by

- [Y Combinator](https://www.anchorterminal.com/investors/y-combinator/)
- [Tribe Capital](https://www.anchorterminal.com/investors/tribe-capital/)
- [New View Capital](https://www.anchorterminal.com/investors/new-view-capital/)
- [Nexus Venture Partners](https://www.anchorterminal.com/investors/nexus-venture-partners/)
- [Sequoia Capital](https://www.anchorterminal.com/investors/sequoia-capital/)
- [Bain Capital Ventures](https://www.anchorterminal.com/investors/bain-capital-ventures/)

## Questions

### Who is Ray Li?

Ray Li co-founded Apollo, a go-to-market and sales engagement platform from Y Combinator's Winter 2016 batch, and is its chief technology officer.

### What does Apollo.io make?

Anchor Terminal lists Apollo API + MCP from Apollo.io.

### Who has invested in Apollo.io?

The sources our research read name Y Combinator, Tribe Capital, New View Capital, Nexus Venture Partners, Sequoia Capital and Bain Capital Ventures.

### How are Ray's tools graded?

Apollo API + MCP is graded B, 63.4 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://www.ycombinator.com/companies/apollo-io
- https://www.apollo.io/
- https://www.apollo.io/our-story

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched.